How many moles of gold (Au # 79) are in 357.80 grams of gold?

1.82moles

Explanation:

Mass = 357.80g

Molar mass of gold (Au) = 196.97g/mol

Number of moles = mass / molar mass

Number of moles = 357.80 / 196.97

Number of moles = 1.8165 moles

The number of moles is approximately 1.82molespresent in 357.80g of Au

Explanation:

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In this case, since one mole of an element is related with its atomic mass, for gold whose atomic mass is 196.96657 g/mol, the corresponding number of moles turn out:

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d.) the average kinetic energy of the gas particles is greater in container b because its particles move faster.