chemistry
posted by nikki on .
Na + H2O ¨ NaOH + H2
How many moles of H2 would be formed from 30 grams of Na in the following (UNBALANCED) equation?

2Na + 2H2O == 2NaOH + 2H2
mols Na = grams/atomic mass
Convert mols Na to mols H2 using the coefficients in the balanced equation. That's 2:2 therefore, mols H2 = mols Na. 
How many moles of H2 would be formed from 30 grams of Na in the following (UNBALANCED) equation?
Na + H2O → NaOH + H2