Chemistry, asked by kenshincpadron0719, 6 hours ago

PROBLEM SOLVING
1 what is the percent by mass concentration of a solution that contains 50 grams of salt dissolved in 150 grams of water?

2 what is the percentage by volume concentration of 40 ml acid in 160 ml of solution?

IDENTIFICATION
instructions: classify each form of matter as to: a. heterogeneous Mixture, B, homogeneous Mixture, C. Element, D, compound.
1. copper
2. sand and gravel
3. 70% rubbing alcohol
4. acid
5. vinegar and soy sauce
6 lead
7. bronze
8. soil and water
9 Lye ( sodium hydroxide )
10. 18k gold
please answer correctly

Answers

Answered by vimalvpatel1185
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Answered by farhanadar453
1

Answer:

So, the mass of the required solution is 150 grams. Mass by mass percentage of the concentration of the salt in the solution : Hence the required mass by mass percentage of the concentration of the salt in the solution is 25 %.

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