State the formula and calculate the molar mass of khp

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Reference no: EM13192688

Q1 Write the formula and calculate the molar mass of KHP (KHP is not potassium hydrogen phosphorus).

Q2 When conducting this experiment, why is it necessary to standardize your NaOH solution before titrating your unknown acid?

Q3 Give an example of a triprotic acid other than H3PO4. Write a balanced chemical equation for the reaction of this acid with sodium hydroxide.

Q4 A 0.4281-g sample of KHP required 26.51 mL of sodium hydroxide solution to reach the phenolphthalein endpoint. Calculate the molarity of the NaOH solution.

Q5 31.88 mL of the NaOH solution standardized in question 4 was used to titrate 23.75 mL of a citric acid solution to the phenolphthalein endpoint. Calculate the molar concentration of the citric acid solution.

Reference no: EM13192688

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