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Senior High
Chemistry
請問這題的A要怎麼算
Chemistry
Senior High
7 monthsago
認真的巧虎
請問這題的A要怎麼算
例題 pH計算 17 25℃時,某檸檬酸溶液中[H+]為[OH]的400倍,則:(log2=0.3) 試問有關此溶液的敘述哪些正確?(應選3項) BCE# 8.3:57+26 (A)溶液的濃度為2×10° M (B)[H+]=2×10 ° M (C) pOH= pH+2.6 (D)pH=4.7(E) [OH]=5×10°M。
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