Ca is a +2 ion
so 2 OH (just like the 2 H)
CaH₂ + 2 H₂O --> Ca(OH)₂ + H₂
I've worked through this problem so many times and I keep getting the same thing yet when I submit it, it says its wrong.. Am I missing something?
Q:Calcium hydride (solid) reacts with water to form calcium hydroxide (aqueous) and hydrogen gas. Write a balanced chemical equation for the reaction.
My Answer: CaH2+2H2O ---> Ca(OH)+2H2
3 answers
None of the equations are balanced.
sorry...should be 2 H₂
0 answers