How many hydrogen atoms are there in 12.4 g of Al₂(HPO₄)₃?

Name: How many hydrogen atoms are there in 12.4 g of Al 2 (HPO 4 ) 3 ?
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Quizplus · Accepted Answer

To find the number of hydrogen atoms, first calculate the moles of Al₂(HPO₄)₃ in 12.4 g using its molar mass (406 g/mol). Then, multiply the moles by 3 (since there are 3 H atoms per formula unit) and Avogadro's number (6.022 × 10²³) to find the total number of hydrogen atoms. This calculation results in approximately 6.55 × 10²² H atoms.

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