Question

Calculate the number of moles in 490g of H2SO4.

please explain it I can't understand please explain​

Answer 1

Answer:

Atomic mass of one mole of H2SO4 is 98 grams. So 98 grams of H2SO4 contains 1 mole of H2SO4 molecule i.e., 7 moles atoms. 49 grams of H2SO4 contains 1/2 mole of H2SO4 molecule i.e., 3.5 moles atoms. Hope it helps.