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Answer the following question showing all work.
1) A compound consists of 45.6g of C and 23.5g of O. If I have 145g of O, how many grams of C do I have?
2) A 26.3g sample consists of 12.7g of nitrogen (N) with the remaining mass of hydrogen (H). If I have 67.4g of nitrogen, how many grams of H do I have?
3) A 342g compound consists of 145g of C with the remaining grams of H. If I have 176g C, what is the grams of the sample?
Answer 1) 281g C 2) 72.2g H 3) 415g sample