Question

A flask contains 500 cm3 of SO2 at STP. The flask contains
(a) 40 g
(b) 100 g
(c) 50 g
D. 1.427g
​

Answer 1

Answer:

500 cm^3 == 0.05 ltr

Now, at STP we know,

1 mol contains 24 ltrs of volume

• so,

0.05 ltrs will contain 0.002 mol

we know,

1 mol of S02 contains 64 gm weight

so,

0.002 mol will contain = 1.28 grams (approx)

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