Calculate the number of grams of NaOH needed to prepare 1.00 L of 1.00 M NaOH?

1 Answer
Junaid Mirza
Apr 18, 2018

#"40.0 g"#

Explanation:

Molarity is given by

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

#"1.00 M" = "n"/"1.00 L"#

#"n = 1.00 mol"#

Mass of #1# mol of #"NaOH"# (also called molar mass) is #"40.0 g"#

∴ #"40.0 g"# of #"NaOH"# is needed to prepare #"1.00 L"# of #"1.00 M NaOH"# solution.

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