3 years ago

Which of the following statements are true about elements and compounds?

1 answer:

Leto [7]3 years ago

3 0

The answer is d hope this helps

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Mamont248 [21]

Answer:

The correct answer is option (1).

Explanation:

Mass of the sample = 5.5 g

Percentage of carbon in sample = 35 %

Percentage of oxygen in sample = 100% - 35%

$\%=\frac{\text{Mass of the element in the sample}}{\text{Mass of sample}}\times 100$

Mass of carbon in a sample: (35%) of 5.5 g

$\frac{35}{100}\times 5.5 g=1.925 g$

Mass of oxygen in a sample: (100%-35%) of 5.5 g

$\frac{100-35}{100}\times 5.5 g=3.575 g$

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