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F.4Chemistry balanced equation

發問:

For each of the following reactions,givei. the name of salt formedii. a balanced chemical equation with physical states.iii. an ionic equation for the reaction with physical states.a) magnesium + dilute ethanoic acidb) aluminium oxide + dilute sulphuric acidc) copper(II) carbonate+ dilute hydrochloric... 顯示更多 For each of the following reactions,give i. the name of salt formed ii. a balanced chemical equation with physical states. iii. an ionic equation for the reaction with physical states. a) magnesium + dilute ethanoic acid b) aluminium oxide + dilute sulphuric acid c) copper(II) carbonate+ dilute hydrochloric acid d) sodium sulphate solution + cakcium nitrate solution

最佳解答:

a) i) magnesium ethanoate ii) Mg(s) + 2CH3COOH(aq) → (CH3COO)2H(aq) + H2(g) iii) Mg(s) + 2H^+(aq) → Mg^2+(aq) + H2(g) b) i) aluminium sulphate ii) Al2O3(s) + 3H2SO4(aq) →Al2(SO4)3(aq) + 3H2O(l) iii) Al2O3(s) + 6H^+(aq) → 2Al^3+(aq) + 3H2O(l) c) i) copper(II) chloride ii) CuCO3(s) + 2HCl(aq) → CuCl2(aq) + H2O(l) + CO2(g) iii) CuCO3(s) + 2H^+(aq) → Cu^2+(aq) + H2O(l) + CO2(g) d) i) calcium sulphate ii) Na2SO4(aq) + Ca(NO3)2(aq) →CaSO4(s) + 2NaNO3(aq) iii) Ca^2+(aq) + SO4^2-(aq) → CaSO4(s)

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