how many molecules of hydrogen and oxygen are there in 0.9g of water
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Gram-molecular mass of water=18g
Number of moles in 0.9g of water =0.9180.918
⇒0.05⇒0.05
Number of water molecules in one mole of water=6.02×10236.02×1023
Number of molecules of water in 0.05 moles
⇒0.05×6.02×1023⇒0.05×6.02×1023
⇒3.010×1022⇒3.010×1022
As one molecule of water contains one oxygen atom ,so number of oxygen atoms in 3.010×10223.010×1022molecules of water =3.010×1022
Hope it helps you if yes then pls mark it as the brainliest answer ☺ (^^)
Number of moles in 0.9g of water =0.9180.918
⇒0.05⇒0.05
Number of water molecules in one mole of water=6.02×10236.02×1023
Number of molecules of water in 0.05 moles
⇒0.05×6.02×1023⇒0.05×6.02×1023
⇒3.010×1022⇒3.010×1022
As one molecule of water contains one oxygen atom ,so number of oxygen atoms in 3.010×10223.010×1022molecules of water =3.010×1022
Hope it helps you if yes then pls mark it as the brainliest answer ☺ (^^)
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