What is the number of water molecules in a drop of water rowing 0.06 kg?
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Mass of water = 0.06 kg
= 60 g
Molar mass of water (H2O) = 18 g
mole = Given mass/molar mass
=> mole = 60/18
=> mol = 10/3
We know that,
number of molecules = mole × Avogadro number
=> number of molecules = 10/3 × 6.022 × 10²³
=> number of molecules = 2.007 × 10²⁴ (approx)
Answer :- 2.007 × 10²⁴
= 60 g
Molar mass of water (H2O) = 18 g
mole = Given mass/molar mass
=> mole = 60/18
=> mol = 10/3
We know that,
number of molecules = mole × Avogadro number
=> number of molecules = 10/3 × 6.022 × 10²³
=> number of molecules = 2.007 × 10²⁴ (approx)
Answer :- 2.007 × 10²⁴
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