2021-01-16. Answer to: Calculate the molar mass of potassium hydrogen phthalate, KHP (HKC8H4O4). Alias: KHP. The results of the student are summarized in the table below: Note: The stoichiometric relationship of KHP to NaOH is 1:1 Standardization Trial 1 Trial 2 Trial 3 Trial 4 KHP Mass, g 0.5033 0.5066 0.6989 0.6843 Volume NaOH used, mL 24.32 25.61 24.67 … 8. Potassium Hydrogen Phthalate (KHP) Recommended TOC Standard Solution for BioTector Preparation of KHP Standard Solution: Formula: C8H5KO4 Carbon, 12 x8 = 96 Oxygen, 16 x4 = 64 Potassium, 39 x 1 = 39 Hydrogen, 1 x5 = 5 Total weight = 204.22 g/mol 47% of KHP is Carbon. In the titration to standardize your sodium hydroxide, you found that 0.528 g of KHP required 22.5 ml of your NaOH solution. Literature References: Prepd by half-neutralization of a phthalic anhydride soln: F. J. Welcher, Organic Analytical Reagents … The boiling point determination of Potassium hydrogen phthalate (CAS No. The method followed was according to Siwoloboff. AP Chemistry. One of the purposes of the titration process is to determine the concentration of a solute in a solution. 9. Therefore, in its reaction with a base such as hydroxide OH-, each … Molecular Weight: 204.22. Get the latest public health information from CDC: https://www.coronavirus.gov. 2004-09-16. : 877-24-7 Purity: ≥99.95% Packaging: 100, 500 g in poly bottle From the following data, calculate the molarity of the NaOH solution: mass of KHP 1.234 g; buret reading before Percent Composition: C 47.05%, H 2.47%, K 19.15%, O 31.34%. 58 / Monday, March 26, 2012 / Rules and Regulations Date of issue: 11/12/2004 Revision date: 05/23/2017 Supersedes: 07/19/2013 Version: 1.1 05/23/2017 EN (English) Page 1 SECTION 1: Identification . CAS: 877-24-7: Molecular Formula: C 8 H 5 KO 4: Molecular Weight (g/mol) 204.22: MDL Number: MFCD00013070: InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M: Synonym: potassium hydrogen phthalate,potassium biphthalate,monopotassium phthalate,potassium acid phthalate,hydrogen potassium phthalate,phthalic acid monopotassium salt,1,2-benzenedicarboxylic acid, … Home » Chemistry » Potassium Hydrogen Phthalate. A solution of sodium hydroxide is standardized against potassium hydrogen phthalate (KHP, formula weight 204.2 g/mol). Phthalate(2-) is a phthalate that is the dianion obtained by the deprotonation of both the carboxy groups of phthalic acid. Let's say you have to prepare 1L solution. Structure, properties, spectra, suppliers and links for: Potassium hydrogen phthalate, 877-24-7. Parent Compound: CID 1017 (Phthalic acid) Dates: Modify . This student performed four trials. About Potassium hydrogen phthalate; Potassium hydrogen phthalate weighs 1.636 gram per cubic centimeter or 1 636 kilogram per cubic meter, i.e. Contents. Its melting point is 295 ̊C (563 ̊F), density 1.636 g/cm3. 1.1. Potassium hydrogen phthalate (KHP) has a molecular weight of 204.2 g/mole and is commonly used as a standard against bases. Equivalent weight = Formulaweight valenceof the solute = 204.22 1 = 204.22 iii). 4409-98-7. How many gram equivalents are there in 2.04g of the salt? Therefore to prepare a 1000 mgC/l standard solution, add 2.13g of … 1 Structures Expand this section. Contents. 877-24-7 ) was done as per the test guideline OECD 103. 2 Names and Identifiers … It is soluble in water. 2020-12-26. Home / Chemicals / All Chemicals / Potassium Hydrogen Phthalate 99.5%. A.P Chemistry. (H 2 O) x) it is often used as a fertilizer, food additive, and buffering agent.The salt often cocrystallizes with the dipotassium salt as well as with phosphoric acid. 1 Structures Expand this section. Potassium Hydrogen Phthalate Safety Data Sheet according to Federal Register / Vol. It has a role as a human xenobiotic metabolite. Conditions to Avoid: Incompatible materials, dust generation, excess heat. Add approximately 50-100 mL distilled water to each and swirl until the potassium hydrogen phthalate is completely dissolved. Use * as a wildcard for partial matches, or enclose the search string in double quotes for an exact match. 77, No. Accurately weigh by difference 4 separate 0.20-0.30 g portions of dry potassium hydrogen phthalate into clean and dry 150 mL or 250 mL beakers. Additionally, the titration process will be … More... Molecular Weight: 242.31 g/mol. This page computes weight of the substance per given volume, and answers the question: How much the substance weighs per volume. Draw the structure of potassium hydrogen phthalate (KHP), write its molecular formula and calculate its molecular weight. 877-24-7: Potassium Hydrogen Phthalate (KHP) is a classic primary standard substance in that it is readily available in high purity; is relatively inexpensive; is easy to dry; is neither hygroscopic, oxidized by air, … What is the weight percent of potassium hydrogen phthalate in your sample? The unknown KHP sample used was #52 LO so about 3.0 g samples were used in titrations. If you can please explain to me then it would be greatly appreciated. I have honestly tried all I can for this question, but can't seem to find out. The boiling point of Potassium hydrogen phthalate (CAS No. ENDMEMO. Potassium hydrogen phthalate (molar mass = 204.2 g/mol is used to standardize sodium hydroxide. ChEBI. Firstly, the student used potassium hydrogen phthalate (KHP, 204.22 g/mol) as standard to determine the exact concentration of the NaOH titrant. potassium hydrogen phthalate: convert weight to volume Enter weight, select a unit of weight, and specify a material or substance to search for. Some of the … N° CAS: 877-24-7: Formule moléculaire: C8H5KO4: Molecular Weight (g/mol) 204.222: Numéro MDL: MFCD00013070: InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M: Synonyme: potassium hydrogen phthalate, potassium biphthalate, monopotassium phthalate, potassium acid phthalate, hydrogen potassium phthalate, phthalic acid monopotassium salt, 1,2-benzenedicarboxylic acid, … Purity of the Potassium KHP is 99.9%. First check what is equivalent weight of the compound. Di-Potassium phthalate. Parent Compound: CID 1017 (Phthalic acid) Component Compounds: CID 5462222 (Potassium) CID 1017 (Phthalic acid) Dates: Modify . Name: Potassium Hydrogen Phthalate. Potassium Hydrogen Phthalate KHC8H4O4 Molar Mass, Molecular Weight. Phthalic acid dipotassium salt. About this page: Weight of Potassium hydrogen phthalate; For instance, calculate how many ounces, pounds, milligrams, grams, kilograms or tonnes of a selected substance in a liter, gallon, fluid ounce, cubic centimeter or in a cubic inch. Dipotassium phthalate. It takes 32.55 mL of 0.08993 M sodium hydroxide to reach the equivalence point of the titration of a 1.1298 g sample of your unknown. Identification . 2005-08-08. Three volatile compounds X,Y, and Z each contain elements Q. In this case molecule weight is same as equivalent weight. 7. Molecular Weight: 164.11 g/mol. KHC8H4O4 is a white solid at room temperature. KHC8H4O4 can be used for … Molar Mass: 204.2212. Create . Monopotassium phosphate (MKP) (also, potassium dihydrogenphosphate, KDP, or monobasic potassium phosphate) is the inorganic compound with the formula KH 2 PO 4.Together with dipotassium phosphate (K 2 HPO 4. It is a conjugate base of a phthalate(1-). Potassium hydrogen phthalate, often called simply KHP, is an acidic salt compound. Potassium hydrogen phthalate, often called simply KHP, is a white, colorless, ionic solid that is the monopotassium salt of phthalic acid. The hydrogen is slightly acidic, and it is often used as a primary standard for acid-base titrations because it is solid and air-stable, making it … Create . If 23.67 ml of NaOH (aq) is required to titrate 0.7719 g KHP to the equivalence point, what is the concentration of the NaOH(aq)? DETERMINATION OF PERCENT KHP AND ACID EQUIVALENT WEIGHT Titration is a process of mixing measured volumes of reacting solutions in such a manner that one can determine when chemically equivalent amounts of reactants are mixed. N° CAS: 877-24-7: Formule moléculaire: C 8 H 5 KO 4: Molecular Weight (g/mol) 204.22: Numéro MDL: MFCD00013070: InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M: Synonyme: potassium hydrogen phthalate, potassium biphthalate, monopotassium phthalate, potassium acid phthalate, hydrogen potassium phthalate, phthalic acid monopotassium salt, 1,2-benzenedicarboxylic acid, … COVID-19 is an emerging, rapidly evolving situation. You will standardize your NaOH solution against potassium hydrogen phthalate. Experiment 5 ACID - BASE TITRATION – POTASSIUM HYDROGEN PHTHALATE INTRODUCTION Potassium hydrogen phthalate or KHP (molecular weight = 204.23 g/mole) is a weak organic acid whose structure is as follows: Since KHP contains only a single "acidic" or ionizable hydrogen, it is referred to as a monoprotic acid. Then using the molecular weight 204.233 g/mol for potassium hydrogen phthalate, the mols were converted to grams which would then be a proportion of the mass of its sample, yielding a potassium hydrogen phthalate percentage or concentration in the unknown sample. From the following data, calculate the molarity of the NaOH solution: mass of KHP 2.014 g; buret reading before titration 0.23 mL; buret reading after titration 36.87 mL. Determine the molarity of 500.0 mL of solution that contains 11.271 g of potassium hydrogen phthalate (KHP). Additional Names: potassium acid phthalate; potassium hydrogen phthalate; acid potassium phthalate. 877-24-7 ) is greater then 300°C at 977.5 hPa. What is the equivalent weight of potassium hydrogen phthalate? Firstly, the student used potassium hydrogen phthalate (KHP, 204.22 . Molecular Formula: C 8 H 5 KO 4. Synonyms: Potassium phthalate monobasic; KHP; Phthalic acid monopotassium salt; Potassium biphthalate; Potassium hydrogen phthalate Formula: HOOCC 6 H 4 COOK Formula Weight: 204.22 CAS No. Potassium hydrogen phthalate ... Molecular Weight:204.22 Section 10 ­ Stability and Reactivity Chemical Stability: Stable under normal temperatures and pressures. Formula: KHC8H4O4. Describe how you would prepare 100.0 mL of 0.0276 M KHP solution from the solution described in question #7. Potassium phthalate. The precent by weight of element Q in each compound was determined. Answer in units of M. Synonym: KHP, Phthalic acid monopotassium salt, Potassium biphthalate, Potassium hydrogen phthalate, Potassium phthalate monobasic Linear Formula: HOOCC 6 H 4 COOK Molecular Weight… The salt in question is: KHC 8 H 4 O 4 whose molar mass is 204.22g. 31.34 % KHC8H4O4 molar mass of potassium hydrogen phthalate ( KHP ), density 1.636 g/cm3 in..., write its molecular weight the weight percent of potassium hydrogen phthalate KHP... Other materials Strong oxidizing agents, nitric acid completely dissolved a solute in solution! Of KHP required 22.5 mL of solution that contains 11.271 g of hydrogen. Please explain to me then it would be greatly appreciated question: how much substance. Found that 0.528 g of potassium hydrogen phthalate carboxy groups of Phthalic acid solute a. To prepare 1L solution KHP solution from the solution described in question is: KHC 8 5... 11.271 g of potassium hydrogen phthalate ( KHP, formula weight 204.2 g/mol.! 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