Asked by Matt
If 0.256 g of a compound containing only carbon and hydrogen atoms is burned efficiently and 0.780 g of carbon dioxide and 0.356 g of water are produced, how many moles of H-atoms are contained in the original (0.256 g) sample?
Answers
Answered by
bobpursley
GRAMS OF CARBON:
Mulitiply .780 by percent carbon in CO2, that is grams of carbon. Subtract that from .256g, that is grams of H.
Now divide grams of H by atomicmassH. That is moles of H atoms
Mulitiply .780 by percent carbon in CO2, that is grams of carbon. Subtract that from .256g, that is grams of H.
Now divide grams of H by atomicmassH. That is moles of H atoms
Answered by
Matt
Thank you for your help.
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