17. A solution of potassium chloride in water is
35 % (m/v). The density of the solution is
1.2 g mL-1. Calculate the concentration of the
solution in % (m/m).
18
How are solution and sucnoncinn
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Answer:
29.16 %
Explanation:
irst : mass/volume % of potassium = 35%. so, mass of potassium = 35/100* 100g. =35g. volume of solution = 100ml . mass of solution = vol*density.
=100*1.2=120g
mass /mass%=
mass of solute / mass of solution* 100
=35/120*100
=175/6
29.16%
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