# 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 _____

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Ideal Gas Law Molar Mass concept. If you need more Ideal Gas Law Molar Mass practice, you can also practice Ideal Gas Law Molar Mass practice problems.

What professor is this problem relevant for?

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