Question

What weight of SO₂ can be obtained by burning sulphur in 5.0 moles of oxygen?
(A) 640 grams
(B) 160 grams
(C) 80 grams
(D) 320 grams

Answer 1

Answer:

80 gram

Explanation:

i m not sure hope i help u

Answer 2

Answer:

(D)

Explanation:

S + O2 --> SO2

1 mole of oxygen gives 1 mole of SO2

therefore 5 moles of oxygen gives 5 moles of SO2

molecular mass of SO2 = 64 g

1 mole= 64 g

5moles = x g

x= 5×64 =320 g

THEREFORE OPTION D IS RIGHT