If 150 grams of KCl are dissolved in 2000 mL, what is the molarity of the resulting solution?

1 Answer
Junaid Mirza
Apr 9, 2018

#"1.0 M"#

Explanation:

Molar mass of #"KCl"# is #"74.5 g/mol"#

Moles of #"150 g"# of #"KCl" = "150 g"/"74.5 g/mol" = "2.0 mol"#

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

#"Molarity" = "2.0 mol"/"2.0 L" = "1.0 M"#

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