Verified Answer :

Moly42

2.25 moles of water ---> ? molecules of water

For this you have to use Avogadro's Number which is 6.022×10²³ molecules

\(\frac{2.25 moles}{} * \frac{6.022x10 x^{23} }{1 mol} = 1.35495x10 x^{24}\)

Answer: \(13.5\times 10^{23}\) molecules

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 Liters at STP and contains avogadro's number \(6.023\times 10^{23}\) of particles.

Now 1 mole of \(H_2O\) molecule contains = \(6.023\times 10^{23}\) of molecules.

2.25 mole of \(H_2O\) molecule contains= \(\frac{6.023\times 10^{23}}{1}\times 2.25=13.5\times 10^{23}\) molecules.

\(13.5\times 10^{23}\) molecules are there in 2.25 moles of water.

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