What is the molarity of a solution formed from 20.0 grams of NaCl dissolved in 650.0 mL of H2O?
Molarity (M) is defined as moles per 1 liter (moles/L). To figure out the molarity of the solution, you need to determine the number of moles of NaCl in 20 grams. To determine the number of moles of NaCl, you need to know its molecular weight (MW), that is, how many grams are in ...
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