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8C How many liters of a 3.14 M K2SO4 solution are needed to provide 81.3  g of...

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Chemistry

8C How many liters of a 3.14 M K2SO4solution are needed to provide 81.3  g of K2SO4 (molarmass 174.01 g/mol)? Recall that M isequivalent to mol/L.

Expresss your answer to three significant figures.

7B Gastric acid pH can range from 1 to 4, andmost of the acid is

HCl.

For a sample of stomach acid that is1.26×10−2M in HCl, how many moles of HCl are in12.1 mL of the stomach acid?

Express the amount to three significant figures and includethe appropriate units.

PLEASE, IF YOU CAN, ANSWER ALL OF THEM I WOULDGREATLY APPRECIATE IT!

Answer & Explanation Solved by verified expert
4.3 Ratings (830 Votes)
Answer 8C We are given K2SO4 314 M mass of K2SO4 813 g molar mass K2SO4 17401 gmol We need to calculate moles of K2SO4 We know    See Answer
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