Question

12 g of 12C contains Avogadro’s number of carbon atoms. a) Give the Avogadro’s number. (1) b) The mass of 2 moles of ammonia gas is .........

Answer 1

Answer:

a) Avogadro's constant is 6.022× 10^23

b) mass of 2 moles of ammonia gas is (2× 17) g

= 34g