Atoms and molecules are too small to be seen. We cannot pick two 4 atoms of hydrogen and one atom of oxygen to form 1 molecule of water. But we can prepare water by weighing and combining 2g of hydrogen and 16 g of oxygen. (2m) i) What is the ratio of Hydrogen and oxygen by mass? ii) What is the atomic radius of water molecule ?
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i) ratio of hydrogen and oxygen- 1:8
ii)0.1925nm
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