What is the mass % of a solution if it contains 20 g of salt mixed with 40 g of water?
A. 20%
B. 33%
C. 40%
Answers
Answered by
2
Explanation:
Mass of solute = 20 g
Volume of solution = 500 ml
Mass by volume percentage =
Volume of solution
Mass of solute×100
=
500
20×100
=4%
4×10= 40
hence the answer is 40%
Answered by
2
Answer:
Have given.
Solvent =40g
Solute =20g
solution=20+40=60g
Percent of mass =?
formula
percent of mass= Solute of mass(g)×100/Solution of mass (g)
= 20×100/60
= 2000/60
= 33.3%
=33% Answer
Explanation:
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