Question

Q1) Brine has a density of 1.2 gram per cubic CM. 40 cubic centimetre of it are mixed with 30 cubic CM of water. The density of solution is?

Q2) 60 CC of a liquid of relative density 1.4 are mixed with 40 CC of another liquid of relative density 0.8. The density of the mixture is?

Q3) The height of Mercury which exit the same pressure is 20 CM of water column, is?
Please answer with full steps.

Answer 1

please see the image for solution.

Answer 2

Answer:

1.11g / m is density of solution