How many hydrogen atoms are present in 75.0 g of H₂O?

Name: How many hydrogen atoms are present in 75.0 g of H 2 O?
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Quizplus · Accepted Answer

75.0 g of H₂O is approximately 4.17 moles (since the molar mass of H₂O is about 18 g/mol). Each mole of H₂O contains 2 moles of hydrogen atoms, so there are about 8.34 moles of hydrogen atoms. Using Avogadro's number (6.022 × 10²³ atoms/mol), this equals approximately 5.02 × 10²⁴ hydrogen atoms.

How Many Hydrogen Atoms Are Present in 75