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How many grams ofNaOH are needed toprepare 275 mL of1.2 M solution?

How many grams ofNaOH are needed toprepare 275 mL of1.2 M solution?-example-1
User Bjakubski
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1 Answer

3 votes

The first step we have foolow is to convert mL to L and multiply it by the molarity of the solution:


275mL\cdot(1L)/(1000mL)\cdot(1.2mol)/(L){}=0.33mol

Use molar mass of NaOH to find the mass of NaOH is:


0.33mol\cdot(40gNaOH)/(mol)=13.33gNaOH

It means that the correct answer is 13 grams.

User Arafat Zahan
by
8.5k points
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