Worksheet E Page 4 ofs Name 4) Ammonium chloride (ag) and sodium bydroxide (ag)

Question

Worksheet E Page 4 ofs Name 4) Ammonium chloride (ag) and sodium bydroxide (ag) (Note: One of the products, ammonium hydroxide unstable and decomposes into ammonia and water. Show this whenever ammonium hydroxide is a product 45) Ammonium sulfate (aq) and calcium hydroxide (aq) 46) Sodium carbonate (s) and hydrochloric acid (Note: One of the products, carbonic acid, is unstable and decomposes into carbon dioxide and water. Show this whenever carbonic acid is a product) 47) Calcium carbonate (s) and hydrochloric acid 48) Sodium bicarbonate (s) and sulfuric acid 49) Sodium bicarbonate (s) and acetic acid 50) Potassium syulfite (s) and hydrochloric acid (Note: one of the products, sulfurous acid, is unstable and decomposes into sulfur dioxide and water. Show this whenever sulfurous acid is a product) 51) Sodium sulfite (s) and sulfuric acid 52) Barium hydroxide (s) and sulfuric acid 53) Phosphoric acid and sodium hydroxide (aq)

Explanation / Answer

44)

NH4Cl(aq) + NaOH(aq) ----> NH3(aq) + H2O(l) + NaCl(aq)

46)

Na2CO3(s)+HCl(aq)=CO2(g)+H2O(l)+NaCl(aq)

50)

K2SO3(s)+ 2HCl(aq) 2KCl(aq) + SO2 (g) + H2O (g)

61)

FeSO4 + K2Cr2O7 + H2SO4 Fe2(SO4)3 + Cr2(SO4)3 + H2O + K2SO4

62)

3Cu(s) + 8HNO3(aq) -----> 3Cu(NO3)2 (aq) + 2NO (g) +4 H2O(l)

63)

Na2C2O4 + KMnO4 + KOH ----> MnO2(s) + K2CO3(aq) + Na2CO3 (aq) + H2O(l)

63)

2Mn(NO3)2 + 6HNO3 + 5NaBiO3 2HMnO4 + 5Bi(NO3)3 + 5NaNO3 + 7H2O

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