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11 Nov 2019
11·An organic compound is analyzed and found to be 38.71 % carbon and 9.68 % hydrogen; the rest is oxygen. If the molecular weight of this substance is 62 g/mol, what is the molecular formula of this substance? 12. A sample weighing 112.2 grams is analyzed and found to contain 48.695 g of sodium, 12.701 g of carbon; the remainder is oxygen. What is the empirical, or simplest, formula of this substance? 13. A compound is analyzed and found to be 47.05 % potassium and 14.44 % carbon; the rest is oxygen. If the molecular weight of this substance is 332.4, what is the molecular formula of this substance? 14. A compound is analyzed and found to be 54.55 % carbon and 9.09 % hydrogen; the rest is oxygen. If the molecular weight of this substance is 176, what is the molecular formula of this substance? 15. A sample weighing 137.6 grams is analyzed and found to contain 83.964 g of carbon, 20.984 g of hydrogen; the remainder is nitrogen. What is the empirical, or simplest, formula of this substance? 98
11·An organic compound is analyzed and found to be 38.71 % carbon and 9.68 % hydrogen; the rest is oxygen. If the molecular weight of this substance is 62 g/mol, what is the molecular formula of this substance? 12. A sample weighing 112.2 grams is analyzed and found to contain 48.695 g of sodium, 12.701 g of carbon; the remainder is oxygen. What is the empirical, or simplest, formula of this substance? 13. A compound is analyzed and found to be 47.05 % potassium and 14.44 % carbon; the rest is oxygen. If the molecular weight of this substance is 332.4, what is the molecular formula of this substance? 14. A compound is analyzed and found to be 54.55 % carbon and 9.09 % hydrogen; the rest is oxygen. If the molecular weight of this substance is 176, what is the molecular formula of this substance? 15. A sample weighing 137.6 grams is analyzed and found to contain 83.964 g of carbon, 20.984 g of hydrogen; the remainder is nitrogen. What is the empirical, or simplest, formula of this substance? 98
evangelistaLv10
12 Nov 2023
Jamar FerryLv2
1 Jun 2019
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