# Problem: If 50.75 g of a gas occupies 10.0 L at STP, 129.3 g of the gas will occupy _____ L at STP.       20. _____ 25.5 L _____

🤓 Based on our data, we think this question is relevant for Professor Chen's class at UCF.

###### FREE Expert Solution

Recall that molecular weight is in grams per 1 mole of a substance.

Step 1: Determine the molar mass:

$\overline{){\mathbf{P}}{\mathbf{V}}{\mathbf{=}}{\mathbf{n}}{\mathbf{R}}{\mathbf{T}}}$

Isolate n (number of moles of gas):

###### Problem Details

If 50.75 g of a gas occupies 10.0 L at STP, 129.3 g of the gas will occupy _____ L at STP.       20. _____ 25.5 L _____