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jordynnmarelich1194
18.09.2019 •
Chemistry
Consider 80.0-g samples of two different compounds consisting of only carbon and oxygen. one of the compounds consists of 21.8 g of carbon, and the other has 34.3 g of carbon. determine the ratio in whole numbers of the masses of carbon that combine with 1.00 g of oxygen between the two compounds.
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Ответ:
Explanation:
First, detemine the mass of oxygen in the two samples by difference:
mass of oxygen = mass of sample - mass of carbonItem Compound 1 Compound 2
Sample 80.0 g 80.0 g
Carbon 21.8 g 34.3 g
Oxygen: 80.0 g - 21.8g = 58.2 g 80.0 g - 34.3 g = 45.7 g
Second, determine the ratios of the masses of carbon that combine with 1.00 g of oxygen:
For each sample, divide the mass of carbon by the mass of oxygen determined above:Sample Mass of carbon that combines with 1.00 g of oxygen
Compound 1 21.8 g / 58.2 g = 0.375
Compound 2 34.3 g / 45.7 g = 0.751
Third, determine the ratio of the masses of carbon between the two compounds.
Divide the greater number by the smaller number:Ratio = 0.751 / 0.375 = 2.00 which in whole numbers is 2Ответ:
i think its D: It restores trees to areas where they once grew .
Explanation:
Sorry if it is wrong