A Solution of 0

question 7

Multiple Choice

A solution of 0.10 M aluminum nitrate has a pH close to 3.0.Which chemical equation explains the acidic pH of the solution?

• A) Al³⁺(aq)+ 3OH?(aq) ? Al(OH)₃(s)+ 3H₃O⁺(aq)
• B) Al(H₂O)₆³⁺(aq)+ H₂O(l) ? Al(H₂O)₅(OH)²⁺(aq)+ H₃O⁺(aq)
• C) Al(NO₃)₃(s)+ 3H₂O(l) ? Al(OH)₃(s)+ 3HNO₃(s)
• D) HNO₃(aq)+ H₂O(l) ? NO₃?(aq)+ H₃O⁺(aq)
• E) NO₃?(aq)+ H₂O(l) ? H₂O + HNO₃(aq)

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