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29 August, 03:19

The density of a gas containing carbon and oxygen at stp is 1.25g/l. what is the molar mass of this gas? what is its identity?

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  1. 29 August, 03:46
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    1. In order to prevent the condition called "bends". He needs to calculate the Molar Mass of the mixture of 10.0% 02, 10.0 % N2 and 80 % He. So the Answer is letter A. Calculate the molar mass of this mixture. How to calculate:Given Numbers : 10.0 % O2 10.0% N2 80 % HeMolar Mass = (.10 x 32g / mol.) + (.10 x 28g / mol.) + (.80 x 4g / mol.) = > 9.2g / mol
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