Question

If I have ten hydrogen molecules and three oxygen molecules, how many molecules of water can I make and how many leftover?

Answer 1

Answer:

3 molecules of water with  4 hydrogen atoms left over

Explanation:

Formula for water is H2O

2 hydrogen per 1 Oxygen

we have 10 H and 3 O

Answer 2

3 water molecules, and you’d have 4 hydrogens left