300 milliliters of a stock solution of potash of alum was mixed with sterile normal saline to prepare 3 liters of 1% alum irrigation. Calculate the percent strength of the stock solution. An alkaline stock solution was prepared by dissolving 50 grams of sodium carbonate in purified water USP to prepare 1 liter solution. How many milliliters of 2.5% sodium carbonate can be prepared from the stock solution?

300 milliliters of a stock solution of potash of alum was mixed with sterile normal saline to prepare 3 liters of 1% alum irrigation. Calculate the percent strength of the stock solution. An alkaline stock solution was prepared by dissolving 50 grams of sodium carbonate in purified water USP to prepare 1 liter solution. How many milliliters of 2.5% sodium carbonate can be prepared from the stock solution?

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter17: Electrochemistry

Section: Chapter Questions

Problem 80AP

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Malic acid (C4H6O5) is a dicarboxylic acid that naturally occurs in the production of bignay wine. Maria was tasked to find out the acid content in a 200.0 mL wine sample by titrating it with a standardized solution of KOH. He was able to establish the working concentration of the KOH solution by using 39.12 mL of it to titrate a primary standard of KHP that weighed 3.021 g. The grams and %w/w of Malic acid present in the 200.0 mL wine sample were then determined by titrating a 20.00 mL aliquot using 48.95 mL of the standardized KOH solution. C4H6O5 (aq) + 2KOH (aq) ↔ K2C4H4O5 (aq) + 2H2O (l) Assume the density of the wine sample is 1.000 g/mL MM of KHP = 204.22 g/mol MM of C4H6O5 = 134.0874 g/mol What is the molar concentration of the prepared KOH solution?…