4. Determine the percentage composition of hydrogen and oxygen in water.
5. Write suitable chemical reactions to show amphoteric nature of water.
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ans 1 hydrogen is 2 atoms and oxygen is 1 atom
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4. Percentage composition of hydrogen and oxygen in water .
H2O
H= 1/18×100
= 11.1%
O = 16/18 ×100
= 88.8%
5. Reaction from H2S , H2O (liquid) accept a proton from H2S (aquas).
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