Question: Insert the missing numbers in the following equations: a. Ca + [ ]H 2 O Ca(OH) 2 + H 2 b. 2Al + [

Insert the missing numbers in the following equations:
a. Ca + [ ]H2O → Ca(OH)2 + H2
b. 2Al + [ ]H2SO4 → Al2(SO4)3 + 3H2

c. C7H16 → 11O2 → 7CO2 + [ ]H2O
d. 6H3BO3 → H4B6O11 + [ ]H2O

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