1. How many grams of potassium permanganate, KMnO4, are present in 125 mL of a 0.0850 M solution? 2. Calculate the molarity of solution made by dissolving 20.6 grams of sodium sulfate, Na2SO4, in enough water to form exactly 750 mL of solution. 3. How many milliliters of 11.6 M hydrochloric acid solution, HCl (aq), are needed to obtain 0.255 moles of hydrochloric acid?   Please show step by step of how you reached your answer, thank you.

World of Chemistry, 3rd edition
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ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
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Chapter15: Solutions
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1. How many grams of potassium permanganate, KMnO4, are present in 125 mL of a 0.0850 M solution?

2. Calculate the molarity of solution made by dissolving 20.6 grams of sodium sulfate, Na2SO4, in enough water to form exactly 750 mL of solution.

3. How many milliliters of 11.6 M hydrochloric acid solution, HCl (aq), are needed to obtain 0.255 moles of hydrochloric acid?

 

Please show step by step of how you reached your answer, thank you.

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