Answer:-
To find the number of molecules in 31.8 moles of water (H?O), use Avogadro’s number, which is 6.022 × 10²³ molecules per mole. Multiply the given moles by Avogadro’s number: 31.8 moles × 6.022 × 10²³ molecules/mole This gives: 1.91 × 10²? molecules of H?O So, in 31.8 moles of water, there are approximately 1.91 × 10²? molecules. This huge number shows just how many tiny water molecules exist even in small amounts!
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