10g of NaCl are dissolved in 0.50L of water, what is the molarity of this solution?

1 Answer
Junaid Mirza
Mar 17, 2018

#"0.34 M"#

Explanation:

#"Molar mass of NaCl = (23 g/mol) + (35.5 g/mol) = 58.5 g/mol"#

Moles of #"NaCl"# dissolved #= "10 g"/"58.5 g/mol" = "0.17 mol"#

#"Molarity" = "Moles of solute"/"Volume of solution (in litres)"#

#"Molarity" = "0.17 mol"/"0.50 L" = "0.34 M"#

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