Calculate the number of moles in 17.8 g of the antacid magnesium hydroxide, Mg(OH)₂. A)3.28 mol B)2.32 mol C)0.431 mol D)0.305 mol E)0.200 mol

Name: Calculate the number of moles in 17.8 g of the antacid magnesium hydroxide, Mg(OH) 2 . A)3.28 mol B)2.32 mol C)0.431 mol D)0.305 mol E)0.200 mol
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Question

Quizplus · Accepted Answer

The molar mass of Mg(OH)₂ is approximately 58.32 g/mol. To find the number of moles, divide the mass by the molar mass: 17.8 g / 58.32 g/mol ≈ 0.305 mol.

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