Combination Stoichiometry

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The density of an unknown gas at 98°c and 740 mmhg is 2.50 g/l. what is the molar mass of the gas with work showed?

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17