Problem: Given the following reaction:2H2O2 → 2H2O + O2How many moles of H2O will be produced from 42.0 g of H 2O2?_____ moles (round to three significant figures)

FREE Expert Solution
85% (381 ratings)
FREE Expert Solution

We’re being asked to calculate the moles of H2O, which will be formed from 42.0 g of H2O2.  The flow for this problem will be like this:


Mass of H2O(molar mass of H2O2)→ Moles of H2O2(mole-to-mole comparison) → Moles of H2O

85% (381 ratings)
Problem Details

Given the following reaction:

2H2O→ 2H2O + O2

How many moles of H2O will be produced from 42.0 g of H 2O2?

_____ moles (round to three significant figures)

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

How long does this problem take to solve?

Our expert Chemistry tutor, Alyssa took 2 minutes 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 Scerri's class at UCLA.