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zubka84 [21]
1 year ago
6

What is the percent mass of 55.0g NH4Cl dissolved in 137g water?

Chemistry
1 answer:
3241004551 [841]1 year ago
6 0

Step 1

% by mass:

Mass of solute ---- 100 of solution

Mass of solution = mass of solute + mass of solvent = 55.0 g + 137 g = 192 g

Solute = NH4Cl

Solvent = Water (H2O)

-----------------------------

Step 2

Procedure:

55.0 g NH4Cl --------- 192 g solution

X ---------- 100 g solution

X = 29 g NH4Cl = 29 % by mass approx.

Answer: 29 % by mass

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