give the formulae of the four ions present in concentrated aqueous sodium chloride
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The main ions present in sodium chloride solution are Na+ and Cl-, but there are also a few H+ and OH- ion present because water is very slightly ionised. The Na+ ions and H+ ions are attracted to the negative cathode. Here the H+ ions pick up electrons, since hydrogen is less reactive than sodium.
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Find the inverse of the following matrices using Gauss Jordan Method .3x + 2y + 11 = 0 \: and \: 7x - 4y = 9 ?
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