46) How many grams of NaCl are required to prepare 200 mL of a solution of 1 M NaCl?

10 grams

Explanation:

Hence 10 grams of NaCl is required to make 200 mL aqueous solution of 5%(w/v) NaCl. Note: The mass of solute must always be expressed in grams (g) and the volume of the solution (solvent + solute) should be in milliliters (mL).

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