Chemistry help!!!computation!!

Question

1. complete the table on the balanced chemical equation..solve pls,..give the formula and solution..

CHEMICAL EQUATION

2H2......................... O2........................===> H2O

? molecules.............1 molecules.................... 2 molecules

2 moles....................? moles...........................? moles

4 grams....................? grams..........................36 grams

10 grams..................? moles...........................? grams

compute the table above...thank u/....pls ...give the formula and show the solution so that i can understand ...thank u so much

2. can you give the balanced equation for this NaCl-->NaHCO3

Answer 1

2 molecules  ......1molecule.......2 molecules

2 moles..............1 mole. . . . . . 2 moles

4 grams..............32 grams.......36 grams

10 grams........... 80 grams........90 grams