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solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. how many molecules of hydrogen ga...Asked by Lucy
Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of hydrogen gas are formed when 48.7 g of sodium are added to water?
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Answered by
DrBob222
2Na + 2H2O ==> 2NaOH + H2
mols Na = grams/molar mass
Using the coefficients in the balanced equation, convert mols Na to mols H2.
Now convert mols H2 to molecules H2. There are 6.02E23 molecules in 1 mol H2. And you have ///// mols H2.
mols Na = grams/molar mass
Using the coefficients in the balanced equation, convert mols Na to mols H2.
Now convert mols H2 to molecules H2. There are 6.02E23 molecules in 1 mol H2. And you have ///// mols H2.
Answered by
Nelle
ok thanks for the answer but how do you actually do it?
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