a laboratory technician needs to make a 40-liter batch of a 40% acid solution. How can the laboratory technician combine a batch

Question

uysha [10]

3 years ago

9

a laboratory technician needs to make a 40-liter batch of a 40% acid solution. How can the laboratory technician combine a batch

of an acid solution that is pure acid with another that is 20% to get the desired concentration?

Mathematics

1 answer:

Anettt [7] · Answer 1 · 2022-07-08T16:14:43+03:00

Anettt [7]3 years ago

7 0

The answers comes to be for every 1 unit of pure acid (100%) add three units of 20% and you get the desired 40%

so if you need 40 L (i don't know what container sizes there are so i can't give you an exact amount just add 1 part 100% acid and 3 parts 20% acid) <span />