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

Question

asked Jun 21, 2023 195k views

1 Answer

Arafat Zahan · Answer 1 · 2023-06-25T11:01:41+0000

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.