Question

how many grams of glucose should be dissolved in 180 gm of water reduced its vapour pressure by 20%

Answer 1

I hope this will help you

Answer 2

100gm of glucose dissolved in a final volume of 1000mL (1 liter) will make a 10% w/v solution.

To calculate %w/v problems:

Total volume needed (mL) x 0.10 (10% w/v solution desired) = gm solute needed.

The amount of glucose to be dissolved <= 0.10 gm

Energy is required for the ordinary working of the organs in the body. Numerous tissues can likewise utilize fat or protein as a vitality source however others, for example, the cerebrum and red platelets, can just utilize glucose. Glucose is stored in the body as glycogen which helps us function properly.