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3 years ago

6

Properties such as luster, conductivity, and flexibility are used to describe what type of elements

1 answer:

sineoko [7]3 years ago

6 0

Metals
............
............

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3 years ago

5. If the reaction of carbon monoxide and oxygen gas in question 2

zheka24 [161]

Answer: The mass in grams is 514.8.

Explanation:

According to avogadro's law, 1 mole of every substance weighs equal to molecular mass and contains avogadro's number $6.023\times 10^{23}$ of particles.

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

$\text{Number of moles}=\frac{\text{Given molecules}}{\text{Avogadros number}}$

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Putting in the values we get:

$\text{Number of moles}=\frac{7.03\times 10^{24}}{6.023\times 10^{23}}=11.7moles$

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The mass in grams is 514.8.

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