Chapter7: Solutions And Colloids
Section: Chapter Questions
Problem 7.99E
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What mass of Na2SO4 is needed to make 9.46 L of 2.893 M solution? (Na = 23 g; S = 32 g; 0 = 16 g)
Expert Solution
Step 1
Number of moles = molarity × volume (in L)
Molar mass of Na2SO4 = (2×23 + 1×32 + 4×16 ) g/mol
= 142.0 g/mol
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