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Forums
chem concentration question

chem concentration question

kitkat132000

4.64 g of sodium hydroxide, NaOH, is dissolved to make 250 cm3 of solution.
What is the concentration of the solution in mol dm-3?

Reply 1

Palmack

n=m/Mr =4.64/(23+16+1) =0.116

250cm3=0.25dm3

n=CV C=n/V =0.116/0.25 = 0.464 moldm3

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