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LABORATORY MATHEMATICS: What is the MOLECULAR WEIGHT of SODIUM CHLORIDE (NaCl) and how many grams are needed to prepare 1 LITER OF 1 MOLAR NaCl SOLUTION?
A. MW = 23 g/mol; need 23 g per liter
B. MW = 35.5 g/mol; need 35.5 g per liter
C. MW = 58.5 g/mol; need 58.5 g per liter
D. MW = 74 g/mol; need 74 g per liter
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