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in Basic Concepts of Chemistry and Chemical Calculations by (44.9k points)
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7.5 g of a gas occupies a volume of 5.6 liters at 0°C and 1 atm pressure. The gas is …

(a) NO 

(b) N2

(c) CO 

(d) CO2

1 Answer

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Best answer

(a) NO

7.5 g of gas occupies a volume of 5.6 liters at 273 K and 1 atm pressure 

Therefore, the mass of gas that occupies a volume of 22.4 liters = 7.5g/5.6L × 22. 4L = 30g 

Molar mass of NO (14 + 16) = 30g

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