4g of oxygen react with 20g of oxygen to form water. the mass of water formed is
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2H₂ + O₂ → 2H₂O
Reactents :
Hydrogen = 2 moles = 2 X 2 = 4 g
Oxygen = 32 g
it means
4 g H reacts with 32 g of oxygen to form 36 g of water
But the second mole needs more oxygen
SO only one molecule formed of 18 g
Reactents :
Hydrogen = 2 moles = 2 X 2 = 4 g
Oxygen = 32 g
it means
4 g H reacts with 32 g of oxygen to form 36 g of water
But the second mole needs more oxygen
SO only one molecule formed of 18 g
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