Asked by nicole
how many grams of sodium metal are needed to give 781 g of hydrogen?
Answers
Answered by
DrBob222
When reacted with H2O?
2Na + 2H2O ==> 2NaOH + H2
mols H2 you want = 781g/molar mass H2.
Using the coefficients in the balanced erquation, convert mols H2 you want to mols Na to start.
Then convert mols Na to g. grams = mols x atomic mass Na.
2Na + 2H2O ==> 2NaOH + H2
mols H2 you want = 781g/molar mass H2.
Using the coefficients in the balanced erquation, convert mols H2 you want to mols Na to start.
Then convert mols Na to g. grams = mols x atomic mass Na.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.