How many grams of sodium chloride are dissolved to in 500. mL of a solution that has M=2.0?
回答 (1)
2016-05-30 10:26 pm
No. of moles of NaCl = (2.0 mol/L) × (500/1000 L) = 1.0 mol
Molar mass of NaCl = (22.99 + 35.45) g/mol = 58.44 g/mol
Mass of NaCl = (58.44 g/mol) × (1.0 mol) = 58 g
Molar mass of NaCl = (22.99 + 35.45) g/mol = 58.44 g/mol
Mass of NaCl = (58.44 g/mol) × (1.0 mol) = 58 g
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