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How many molecules are present in 0.5 moles of NaOH?
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How many molecules are present in 0.5 moles of NaOH?

User Charri
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The molar mass of NaOH is 40g, so 0.5mol is 20g

The molar mass of Na is 23g, O is 16g and H is 1g (total 40g), so in this case we have

Na 11.5g, O 8g and H 0.5g (total 20g)

The mole is represented by Avogadro's number, which is 6.022 × 1023 atoms or molecules per mol.

User VidasV
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