A student wants to make a 250 mL stock solution with a concentration of 1000 mg -P/L. The student has an unlimited amount of KH2PO4 and DI water. What mass of KH2PO4 is needed to make 250 mL the 1000 mg -P/L solution? Using the stock solution from the previous question, what volume of stock is needed to make a 20 L solution with a concentration of 0.1 mg -P/L?
A student wants to make a 250 mL stock solution with a concentration of 1000 mg -P/L. The student has an unlimited amount of KH2PO4 and DI water. What mass of KH2PO4 is needed to make 250 mL the 1000 mg -P/L solution? Using the stock solution from the previous question, what volume of stock is needed to make a 20 L solution with a concentration of 0.1 mg -P/L?
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter14: Mixtures And Solutions
Section: Chapter Questions
Problem 112A
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- A student wants to make a 250 mL stock solution with a concentration of 1000 mg -P/L. The student has an unlimited amount of KH2PO4 and DI water. What mass of KH2PO4 is needed to make 250 mL the 1000 mg -P/L solution?
- Using the stock solution from the previous question, what volume of stock is needed to make a 20 L solution with a concentration of 0.1 mg -P/L?
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