Problem: Calculate the molarity of 0.400 mol of Na2S in 1.30 L of solution. Calculate the molarity of 21.1 g of MgS in 979 mL of solution.

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Calculate the molarity of 0.400 mol of Na2S in 1.30 L of solution. 



Calculate the molarity of 21.1 g of MgS in 979 mL of solution.


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