Answer to Question #166019 in General Chemistry for Marie

General Chemistry

Question #166019

Calculate the molarity of a solution containing 2.40g of NaCl in 40.0 mL of solution. (MM NaCl = 58.45g/mol).

Expert's answer

moles of NaCl = 2.40/58.45 = 0.041 moles

Molarity = moles of solute / volume of solution

Volume = 40ml = 0.040L

M = 0.041/0.040 = 1.025M

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