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24 October, 10:24

Which formula represents a hydronium ion?

(1) H3O + (3) OH-

(2) NH4 + (4) HCO3-

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  1. 24 October, 10:39
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    The answer is (1) H3O+. OH - is called hydroxyl. HN4 + is called ammonium. HCO3 - is called bicarbonate. Hydronium ion is the combination of H + ion (hydrogen ion) and H2O (water molecule).
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