If 4.05 x 1023 molecules of a substance have a mass of 86.2 g, what is the molar mass of the substance?
A) 128 g/mol
B) 3.49 x 1025 g/mol
C) 2.13 x 1022 g/mol
D) 4.70 x 1021 g/mol
E) 58.0 g/mol
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 Calculating Molar Mass concept. You can view video lessons to learn Calculating Molar Mass. Or if you need more Calculating Molar Mass practice, you can also practice Calculating Molar Mass practice problems.
What is the difficulty of this problem?
Our tutors rated the difficulty ofIf 4.05 x 1023 molecules of a substance have a mass of 86.2 ...as low difficulty.
How long does this problem take to solve?
Our expert Chemistry tutor, Chris took 3 minutes and 23 seconds to solve this problem. You can follow their steps in the video explanation above.
What professor is this problem relevant for?
Based on our data, we think this problem is relevant for Professor Sawyer's class at ASU.