Question

1.
Which of the following is having mass 64g?
(1) 202
(2) SO2
All
(3) 40
(4) All of these
​

Answer 1

Answer:

The molar mass of SO

2

is 32+16+16=64g/mol.

The number of moles of SO

2

present in 64 g of SO

2

is

64

64

=1mol.

1 mole of any substance contains avogadro's number of molecules which is 6.0×10

23

.

Thus, the number of molecules of SO

2

present in 64 g of SO

2

is 6.0×10

23

.

Answered By

toppr

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Answer 2

202.......has......64....mass