The pH value of a solution indicates its acidity or alkalinity. A solution with a pH of 7 is ___. A. acidic B. basic C. neutral D. strongly acidic 相关知识点: 试题来源: 解析 C。pH 值表示溶液的酸碱性,pH 为 7 是中性(neutral),小于 7 为酸性,大于 7 为碱性。反馈...
Calculate the hydroxide ion concentration in an aqueous solution with a pH of 5.46 at 25 degrees Celsius. Calculate the hydroxide ion concentration in an aqueous solution with a pH of 1.84 at 25 degrees Celsius. Calculate the hydroxide ion concentration in an ...
1. Understanding pH: - A solution with a pH of 7 is considered neutral. This means it is neither acidic nor basic. 2. Increasing the pH: - To increase the pH of the solution (making it basic), we need to add a substance that is a base. - Example: We can add baking soda (so...
Calculate the pH of a 0.30 M solution of methylamine(CH3NH2, Kb = 4.4 x 10-4.)? What is [H_3O^+] for a solution with a pH = 3.0 What is the {H_3O^+} of a solution with a pH of 2.65? 1. What is the [OH^-] in a solution with a [H_3O^+] = 1x10^-4 M? (...
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The pH of a solution is 5. to this solution acid was added so that its pH value bcomes 2.0. The increase in H^(+) concentration is :
The treatment process of a solution having a pH of at most 14 and containing at least one metalDOMINIQUE HORBEZFREDERIC KUNTZBURGER
The solution of pH = 2 has a concentration of H+ as () times as that in the solution with pH = 6 A.4 B.12 C.4000 D.10000 点击查看答案手机看题 你可能感兴趣的试题 多项选择题 组合逻辑电路设计的最简是指( )。 A.电路所用的器件数量最少 B.电路逻辑表达式最简 C.器件的种类最少 D....
What is the pH of a solution that has a pOH of 12? Is a solution with a pH of 5 more acidic than a solution with a pH of 3? What is the pH of a 0.05 M Na_{2}HPO_{4} solution? What is the pH at the equivalence point?