Question

Calculate the mass percent concentration of a solution made by dissolving 5.00g of NaCl in 25.0g of water?

I got 5.00g/25.0g=0.2 x 100= 20%

Is this right?????
You are correct.
Thank you so much, i really appreciate it!
the percent by mass of the Koop aid of you have 1000 god a 2.0 M solution

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