Qu.24 A gas is found to have the formula (CO)n. Its vapor density is 70. The value of n must be?
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molar mass = 2× 70 = 140
So n × 28 = 140
n= 5
So n × 28 = 140
n= 5
ahana2147:
how u had find the molar mass i need the formula please
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