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WorksheetsConcentration
Total questions: 8
Worksheet time: 3mins
What is referred to as the dissolving substance of a solution
solvent
solute
salt
solution
A solution that has a large amount of solute for a certain volume of solvent.
salt solution
water
concentrated
diluted
A unit of concentration especially when reporting low concentrations.
mole fraction
ppm
molarity
molality
What percent concentration of rubbing alcohol is recommended for sanitation/disinfection?
40%
50%
70%
99%
It is defined as the ratio of the mass of the solute to the mass of the solution.
mole fraction
percent by volume
percent by mass
ppm
What mass of solute is needed to make 100 g of 3.4% solution?
0.34 g
3.4 g
34 g
0.034 g
What volume of isopropyl alcohol is used to make 350 mL of 70 % rubbing alcohol?
245 g
350 g
100 g
250 g
What variable is represented by mole fraction?
M
m
X
ppm
