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3 years ago

Balance the following equations by inserting the proper coefficients.

Chemistry

1 answer:

Rasek [7]3 years ago

6 0

Answer:

Explanation:

1/2/1/2 (arranged by the order from left to right)

1/2/1/2

1/3/2/3

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4 years ago

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4 years ago

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How many molecules of CH4 are in 48.2 g of this compound? A) 2.00 x 1023 B) 5.00 x 10-24 C)1.81 x 1024 D) 4.00 E) 4.64 x 1026 10

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Answer: The correct answer is Option C.

Explanation:

To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$

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Molar mass of methane = 16 g/mol

Putting values in above equation, we get:

$\text{Moles of }CH_4=\frac{48.2g}{16g/mol}=3.0125mol$

According to mole concept:

1 mole of compound contains $6.022\times 10^{23}$ number of molecules.

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Hence, the correct answer is Option C.

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3 years ago

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