Question

Number of moles in 490 gram H2SO4?

6.022×10^23
Option 1

5×6.022×10^23
Option 2

5moles
Option 3

2 moles
Option 4
answer only from the options.......
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Answer 1

Explanation:

1 mole of H2SO4 mass is=2+32+64=98g

Given mass= 490

so no. of moles= 490/98=5moles