# chemistry

You have 4.0 g of solid A, 100.00 mL of water (100.0 g of water), and the total mass of solid A combined with 100.00 mL of water is found to be 104.0 g. The mass percent of A in this solution is ...

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1. Mass percent (w/w) is defined as the mass of the solute/mass of solution and all of that times 100.
(4.0/104)*100 = ??
Watch the number of significant figures.

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2. thanks!

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