4 g NaOH dissolved in 196 g water. Find mass percent.
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Answer:
0.5%
Explanation:
Given:
Mass of Solute: (Sodium hydroxide- NaOH)= 4g
Mass of Solvent :( Water-H2O)= 196 g
Mass of Solution = Mass of solute + Mass of solvent
= (4 + 196) g
= 200 g
Formula of Mass percentage:
=Mass of solute/ Mass of solution × 100
= 4/ 200 ×100
= 1/2
or 0.5% by mass
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