Asked by bob
how many grams of oxygen is required to produce 2.0 kg of water??
Answers
Answered by
DrBob222
1. Write and balance the equation.
2H2 + O2 ==> 2H2O
2. Convert what you have (water in this case) to moles. moles = grams/molar mass that's 2000/18.015 = ?? moles.
3. Using the coefficients in the balanced equation, convert moles of what you have (water) to moles of what you want (in this case oxygen).
4. Now convert moles oxygen to grams. g = moles x molar mass.
2H2 + O2 ==> 2H2O
2. Convert what you have (water in this case) to moles. moles = grams/molar mass that's 2000/18.015 = ?? moles.
3. Using the coefficients in the balanced equation, convert moles of what you have (water) to moles of what you want (in this case oxygen).
4. Now convert moles oxygen to grams. g = moles x molar mass.
Answered by
bob
thank you very much DrBob!!I really appreciate this
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