Silicon (si) is used in the semiconductor industry. how many grams of si correspond to 10 mol of si? help pls
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281 g

Explanation:

The molar mass of a substance is the mass in grams of one mole of a substance. The molar mass is the ratio of  mass of a sample to the amount of substance in that sample. The molar mass is given by the formula:

Molar mass = mass / amount in mole

The molar mass of silicon = 28.0855 g/mol. Given that amount in mol = 10 mol, hence:

Molar mass = mass / amount in mole

28.0855 = mass / 10

mass = 280.855 g

mass ≈ 281 g

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