20g of a monatomic gas occupies 44.8dm³ at STP. Its atomic weight is _______
* 5g
* 10g
*40g
*20g
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1
Answer:
10 g
Explanation:
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The weight that occupies 22.4 dm³ at STP will be the atomic mass.
it is given that 20 g occupies 44.3 dm³ at STP
so,the mass that will occupy 22.4 dm³=20/2
= 10g
therefore,the atomic mass will be 10 g
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