1. How many grams of potassium chloride are needed to prepare 400 ml of a 250 M KCl solution? 2. What volume of a 0.1 M NaClsolution contains 0.2 moles NaCl? 3. A laboratory stock solution is 2.50 M HClO subscript 4. Calculate the volume of this stock solution needed to prepare 2.0L of 0.50 M HClO subscript 4. 4. What mass of a 25.0% KCl solution contains 12.5g of KCl?
1. How many grams of potassium chloride are needed to prepare 400 ml of a 250 M KCl solution? 2. What volume of a 0.1 M NaClsolution contains 0.2 moles NaCl? 3. A laboratory stock solution is 2.50 M HClO subscript 4. Calculate the volume of this stock solution needed to prepare 2.0L of 0.50 M HClO subscript 4. 4. What mass of a 25.0% KCl solution contains 12.5g of KCl?
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter15: Solutions
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Problem 121AP: Calcium carbonate, CaCO3, can be obtained in a very pure state. Standard solutions of calcium ion...
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1. How many grams of potassium chloride are needed to prepare 400 ml of a 250 M KCl solution?
2. What volume of a 0.1 M NaClsolution contains 0.2 moles NaCl?
3. A laboratory stock solution is 2.50 M HClO subscript 4. Calculate the volume of this stock solution needed to prepare 2.0L of 0.50 M HClO subscript 4.
4. What mass of a 25.0% KCl solution contains 12.5g of KCl?
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