3 years ago

Rewrite these word equations as chemical equations.

Chemistry

1 answer:

stich3 [128]3 years ago

3 0

Answer:

FeCl3 + Ca(OH)₂ --> Fe(OH)3 + CaCl2

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Identify the number of moles in 369 grams of calcium hydroxide. Use the periodic table and the polyatomic ion resource.

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Answer : The number of moles in 369 grams of calcium hydroxide is, 4.98 moles

Explanation : Given,

Mass of calcium hydroxide = 369 g

Molar mass of calcium hydroxide = 74.093 g/mole

Formula used :

$\text{Moles of calcium hydroxide}=\frac{\text{Mass of calcium hydroxide}}{\text{Molar mass of calcium hydroxide}}$

Now put all the given values in this formula, we get the moles of calcium hydroxide.

$\text{Moles of calcium hydroxide}=\frac{369g}{74.093g/mole}=4.98mole$

Therefore, the number of moles in 369 grams of calcium hydroxide is, 4.98 moles

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