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vredina [299]
2 years ago
14

How many molecules are im 4.9 moles of h2o?​

Chemistry
1 answer:
svet-max [94.6K]2 years ago
3 0

The number of units in one mole of a substance is 6.022140857 × 10^23. This is irregardless of whether the particle is an atom, a molecule or an ion.

Therefore, we multiply the number of moles by the Avogadro's number

4.9×6.022140857 × 10^23= 2.95084902×10^24 molecules

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