How many moles of sodium peroxide are needed to produce 1.00 mol sodium hydroxide?

1 Answer
Meave60
Apr 30, 2017

#"0.500 mol Na"_2"O"_2"# will be needed to react with excess water to produce #"1.00 mol NaOH"#.

Explanation:

Balanced Equation

#"2Na"_2"O"_2 + "2H"_2"O"##rarr##"4NaOH + O"_2"#

Mole ratio between #"Na"_2"O"_2"# and #"NaOH"#.

#(2"mol Na"_2"O"_2)/(4"mol NaOH")# and #(4"mol NaOH")/(2"mol Na"_2"O"_2)#

Multiply given mol #"NaOH"# by the mole ratio with #"Na"_2"O"_2"# in the numerator.

#1.00color(red)cancel(color(black)("mol NaOH"))xx(2"mol Na"_2"O"_2)/(4color(red)cancel(color(black)("mol NaOH")))="0.500 mol Na"_2"O"_2"#

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