# Problem: What is the percent by mass of oxygen in Ca(NO3)2? a) 29.3% b) 47.1% c) 58.5% d) 94.1%

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

###### Problem Details

What is the percent by mass of oxygen in Ca(NO3)2?

a) 29.3%

b) 47.1%

c) 58.5%

d) 94.1%

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 Mass Percent Formula concept. You can view video lessons to learn Mass Percent Formula. Or if you need more Mass Percent Formula practice, you can also practice Mass Percent Formula practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofWhat is the percent by mass of oxygen in Ca(NO3)2? a) 29.3%...as low difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Sabrina took 2 minutes and 24 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 Tang's class at USF.