Question

.. 4.9 g of H2SO4 contains number of moles of oxygen
A) 0.01
C)
0.1
B) 0.02
D)
0.2​

Answer 1

Answer:

B

Explanation:

B

Answer 2

Answer:

C

Explanation:

as one mole of h2so4 has 2 mole of oxygen

so 4.9 gram is 0.05 moles of h2so4

0.05 ** 2 === 0.1 mole of oxygen