Two different compounds containing osmium and oxygen have the following masses o

Question

Two different compounds containing osmium and oxygen have the following masses of oxygen per gram of osmium: 0, 168 and 03369_g. How to show that these results are consistent with the law of multiple proportions? To show this calculate the number of moles of oxygen in both compounds. These results must be the same for the two compounds. To show this, calculate the mass fractions of oxygen for both compounds by dividing the mass of oxygen by the mass of each compound. These mass fractions must be the same for the two compounds. To show this, calculate the ratio of the mass of oxygen from one compound to the mass of oxygen in the other. This ratio must be a small whole number. To show this, calculate the mass traction ratio of oxygen for these compounds. This ratio must be a small whole number.

Explanation / Answer

Two different compounds containing osmium and oxygen have the following masses of oxygen per gram of osmium: 0.168 g and 0.3369 g, respectively.

Show that these amounts are consistent with the law of multiple proportions. 5.95/2.96 = 2

ANSWER :Option C

To show tis calculate the ratios of the mass of moles of oxygen from one compound to mass of oxygen in the other, the ratio must be a small whole number

For the law of multiple proportions to hold, the ratio of the masses of O combining with 1 g of O’s in the compound should be a small whole number. 0.3369/0.168 = 2.00 31.

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