Question

what is mass percent of sodium chloride (NaCl) in a solution that is made by dissolving 2.35g of NaCl in 4.45g of water (H2O)?

Answer 1

Answer:

Given :2.35g and 7.45g

Required :the solution

Equation :?

solution :2.35+7.45=23.87

2.35÷9.8=0.2397×100=23.97

Explanation:

Formula :mass percent =solute / solute + solvent × 100

do this first then divide the solute to the answer of the solute + solvent

Here, solvent =2.35, solute =9.87

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Answer 2

Answer:

solvent = 2.35

so solute = 9.87

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