2Na + 2H2O ==> H2 + 2NaOH
mols Na = grams/atomic mass = ?
Using the balanced equation, convert mols Na to mols H2. The equation tells you mols H2 is 1/2 mols Na.
So now you know mols H2 and you know each mol H2
gas contains 6.02E23 individual molecules.
Post your work if you get stuck.
How many molecules of hydrogen gas are formed when 24.6 g of sodium are added to water. Please show work.
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1 answer