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QUESTION

# How many grams of NaOH must be used to make 1 Liter of a .80 M NaOH solution?

You need to relate moles of NaOH to its mass. Here's how:

In "0.80 M "NaOH solution, there is "0.80 "mol present in "1000 "ml

We can relate moles of NaOH and mass of NaOH by this formula:

n=m/M where n= number of moles of NaOH, m= mass of NaOH, and M= Molar mass of NaOH

Therefore,

m= M*n

Then the number of grams of NaOH used to make 1 Liter of a 0.80 M NaOH solution is 32g.