Question

Answer any one of the following questions in about 40-60 words
(a) Calculate the number of molecule present in 0.5 mole of water.
(b)
When an iron knife kept dipped in blue coppper sulphate solution turns blue solution into light
green colour. Give reason​

Answer 1

Answer:

0.5 × 6.022×10 ^23 molecule of water

that is = 3.012 × 10 ^23