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What is the molarity of this solution ?

6.25 g of solid NaOH are dissolved in water to give a final solution of 21.0 mL.

2006-12-03 15:57:56 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

1 answers

no. of moles
=6.25/40
=0.15625 mol
volume
=0.021dm^3
molarity
=0.15625/0.021
=7.44M

2006-12-03 16:02:07 · answer #1 · answered by pigley 4 · 0⤊ 0⤋

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