Which option is a solution that is 20% (v/v) methanol in water?

Explanation:

1.The solution contains 20 mL of methanol and 100 mL of water.

2.The solution contains 20 mL of methanol and 80 mL of water.

3.The solution contains 20 g of methanol and 100 mL of water.

4.The solution contains 20 g of methanol and 80 mL of water.

20 % volume/volume methanol in water contains 20 mL of methanol and 80 mL of water.

Explanation:

Total volume of the solution= 20 + 80 = 100 mL

the answer to your question is c.

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question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

question answered by

(jacemorris04)