QuestionAugust 23, 2025

What is the mass of 4.32 mol Gal_(3) 455 g 1,230 g 1,720 g 1,950 g

What is the mass of 4.32 mol Gal_(3) 455 g 1,230 g 1,720 g 1,950 g
What is the mass of 4.32 mol
Gal_(3)
455 g
1,230 g
1,720 g
1,950 g

Solution
4.3(224 votes)

Answer

1,950 g Explanation 1. Determine Molar Mass of GaI_3 Calculate molar mass using atomic masses: Ga = 69.72 g/mol, I = 126.90 g/mol. Molar mass of GaI_3 = 69.72 + 3 \times 126.90 = 450.42 g/mol. 2. Calculate Total Mass Use formula: **mass = moles \times molar mass**. Mass = 4.32 \times 450.42 g.

Explanation

1. Determine Molar Mass of $GaI_3$<br /> Calculate molar mass using atomic masses: Ga = 69.72 g/mol, I = 126.90 g/mol. Molar mass of $GaI_3$ = $69.72 + 3 \times 126.90 = 450.42$ g/mol.<br />2. Calculate Total Mass<br /> Use formula: **mass = moles $\times$ molar mass**. Mass = $4.32 \times 450.42$ g.
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