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प्रश्न
The mass of 5.6 litres of a certain gas at S.T.P. is 12 g. What is the relative molecular mass or molar mass of the gas?
The mass of 5.6 dm3 of a certain gas at STP is 12.0 g. Calculate the relative molecular mass of the gas.
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उत्तर
5.6 litres of gas at STP has mass = 12 g
So, 22.4 litre (molar volume) has mass =`12/5.6 xx 22.4`
= 48 g
Notes
Students should refer to the answer according to their questions.
संबंधित प्रश्न
Aluminium carbide reacts with water according to the following equation :
`Al_4C_3 + 12H_2O-> 4Al(OH)_3 + 3CH_4`
1)What mass of aluminium hydroxide is formed from 12g of aluminium carbide?
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P + 5HNO3 → H3PO4 + H2O + 5NO2
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Correct the statement, if required.
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