Question

Q2: Calculate mass of:

(i) 0.2 moles of H2SO4​

Answer 1

Answer:

19.6g

Explanation:

Mass of one mole hydrogen - 1g

Mass of one mole sulphur - 32g

Mass of one mole oxygen - 16g

total molecular mass of one mole hydrogen sulphate - 1(2)+32+16(4)

98g

0.2 mole H2SO4 - 0.2×98

19.6g

Ans. 19.6g