解析 你说的True 具体指什么呢 是酸雨的定义还是形成?定义:Acid rain means the rain that below pH value 5.6 .形成:Acid rain is mainly causes by sulphur dioxide and nitrogen oxide.These kinds of gases are produced by factories and vehicles.不知道合不合适,希望能帮你哈 xd...
Pure water has a pH of 7.0. Normal rain is slightly acidic because carbon dioxide dissolves into it, so it has a pH of about 5.5. As of the year 2000, the most acidic rain falling in theUShas a pH of about 4.3. Acid rain's pH, and the chemicals that cause acid rain, are ...
Acid rain is defined as pH values of less than $5.6$, while simple rain is defined as pH values of greater than 5.6. These names are somewhat at odds with the standard pH scale, which classifies $7$ as "neutral," $7$ as "acid," and $7$ as "base." In the case of rain, ...
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What is the pH of battery acid? A solution has a hydrogen ion concentration of 1 x 10^6 M. What is the pH? If the pH of a solution is 4, what is the pOH? What is the pH of NaOH? You can find the pH of a substance by using ...
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What pH level is acid rain? However, when rain combines with sulfur dioxide or nitrogen oxides—produced from power plants and automobiles—the rain becomes much more acidic. Typical acid rain has a pH value of4.0. A decrease in pH values from 5.0 to 4.0 means that the acidity is 10 time...
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Pure water has a pH of 7.0. Normal rain is slightly acidic because carbon dioxide dissolves into it, so it has a pH of about 5.5. As of the year 2000, the most acidic rain falling in the U.S. has a pH of about 4.3. Effects of Acid Rain Acid rain causes acidification (酸化) of...
Answer to: Assume that acid rain has lowered the pH of a particular lake to pH 5.0. What is the hydroxide ion concentration of this lake? By...