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MissTica
2 years ago
7

How many moles are in 347 grams of HBr

Chemistry
1 answer:
11Alexandr11 [23.1K]2 years ago
6 0

Answer:

4.289 mol

Explanation:

Given that the molar mass of HBr (known as Hydrobromic Acid or Hydrogen Bromide) has a molar mass of 80.91 g/mol.

To find the number of moles, we have the formula

(Grams of the substance ÷ moles of the substance) * (molar mass of the substance in grams ÷ one mol)

Here the Grams of the substance = 347grams,

Moles of the substance =?

Molar mass of the substance = 80.91 g/mol

By cross multiplying, we have

347 grams * 1 mol = Z * (80.91)

Z = 347 grams ÷ 80.91g/mol

Z = 4.289 mol

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