689
Explanation:
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Answer:
Molecules = 7.5 × 10²³ molecules
Explanation:
<u><em>Given:</em></u>
Moles = 1.25 mol
Avogadro's No. =
= 6.022 * 10²³
<u><em>Required:</em></u>
Molecules = ?
<u><em>Formula:</em></u>
Molecules = Moles × 
<u><em>Solution:</em></u>
Molecules = 1.25 × 6.022 × 10²³
Molecules = 7.5 × 10²³ molecules
the answer is 52.00 grams/ mole
Why??????????????????????
Answer:
B, the number of molecules in 1 mole of a substance