Question

Given the reaction:

Ca + 2H,0→ Ca(OH)) + H2
How many moles of H,O are needed to exactly react with
2.0 moles of Ca

Answer 1

4

Step-by-step explanation:

because use the molar ratio of

ca:h2o

1:2

2;4

so u times it by 2 .

hope this helps:)