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Question: my friend needs some help with a chemistry problem thanks...

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My friend needs some help with a chemistry problem.

3. If the amount of gas (in grams) is known, the molecular weight of a gas be can determined. (Recall how molecular weights are needed for determining molecular formulas knowing empirical formulas) You have 15 substance. If the substance has a volume of 11.2 liters at a pressure of 1 atmosphere and a temperature of 00 C, determine the molecular weight of this unknown substance (HI You will need the equation from #2 above and the units ofmolecular weight. Use dimensional analysis!) Try to use correct significant figures. Show all of your work clearly for full credit and use units. Un- unknown substance 15gUn

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