A solution is made containing 11.2 g of sodium sulfate per 95.0 g of water. What is the weigh / weight % or percent by mass of the solute?

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Question:

A solution is made containing 11.2 g of sodium sulfate per 95.0 g of water. What is the weigh / weight % or percent by mass of the solute?

Answer:

Answer: –

10.5% is the Weight / weight % or percent by mass of sodium sulfate

Explanation: –

Mass of sodium sulfate = 11.2 g

Mass of water = 95.0 g

Total mass of the solution = Mass of sodium sulfate + Mass of water

= 11.2 + 95.0 = 106.2 g

Weight / weight % or percent by mass of the solute = (Mass of sodium sulfate / Total mass of the solution) x 100

=

= 10.5 correct to 3 significant figures.

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