Answer:
7.63 × 10²³ molecules
Explanation:
First, convert grams to moles using the molar mass of water (32.988 g/mol).
41.8 g ÷ 32.988 g/mol = 1.267 mol
Next, convert moles to molecules using Avogadro's number (6.022 × 10²³).
1.267 mol × 6.022 × 10²³ molecules/mol = 7.63 × 10²³ molecules