The balanced equation for the combustion of Hydrogen is: 2 H2 + O2 → 2H2O

How many moles of H2O will be formed from the complete reaction of 0.750 moles of O2?

0.375 mol
1.50 mol
2.67 mol
0.750 mol

1.5 moles H₂O

General Formulas and Concepts:

Chemistry - Stoichiometry

Explanation:

Step 1: Define

RxN:   2H₂ + O₂ → 2H₂O

Given:   0.750 moles O₂

Step 2: Stoich

= 1.5 moles H₂O

Step 3: Check

We are given 3 sig figs.

Since our answer is 2 sig figs, we don't need to round.

what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds