Asked by Fabian
(1) What is the percentage oxygen in 4grams of caco3.
(2) What mass of Oxygen is require to react completely with 16grams of hydrogen.
(2) What mass of Oxygen is require to react completely with 16grams of hydrogen.
Answers
Answered by
DrBob222
(1) %O in CaCO3 = (3*atomic mass O/molar mass CaCO3)*100 = ?? and that is the same answer for 4 grams CaCO3 or 1000 g CaCO3.
(2) Follow the steps in this link.
http://www.jiskha.com/science/chemistry/stoichiometry.html
(2) Follow the steps in this link.
http://www.jiskha.com/science/chemistry/stoichiometry.html
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