一道英语化学题The Ka of HF is 6.8 x 10−4.An aqueous solution
来源:学生作业帮 编辑:神马作文网作业帮 分类:化学作业 时间:2024/09/27 21:24:27
一道英语化学题
The Ka of HF is 6.8 x 10−4.An aqueous solution contains equimolar amounts of the weak acid HF and sodium fluoride.The pH of the solution is
1.less than 7
2.equal to 7
3.greater than 7
The Ka of HF is 6.8 x 10−4.An aqueous solution contains equimolar amounts of the weak acid HF and sodium fluoride.The pH of the solution is
1.less than 7
2.equal to 7
3.greater than 7
氟化氢的Ka值是6.8 x 10−4.一种水溶液中含有等摩尔量的HF和NaF,请问该溶液的pH值是?
呃,没计算,不过因为浓度相等,所以pH=pKa,所以是酸性.(共轭酸碱,按照缓冲溶液来计算)
呃,没计算,不过因为浓度相等,所以pH=pKa,所以是酸性.(共轭酸碱,按照缓冲溶液来计算)
一道英语化学题The Ka of HF is 6.8 x 10−4.An aqueous solution
in 3.2 liters of an aqueous solution which was 0.0066 M with
The pKa of acid is 5.The pH of a solution containing acid X
一道英文化学题A concentrated sulfuric acid solution is 74.0% H2SO4b
一道英文化学题Find the velocity of an electron emitted by a metal w
英语化学题,what is the maximum number of electrons in
一道英语题目,求讲解 Xi'an is a city in the _____ of China
又一道英文化学题..Which one of the following is not the same number
一道大学普通化学题Which of the following is non-SI unit——milliliter,m
一道AP化学题If the temperature of a reaction is raised from 300K
一道看不懂的英文题1.If 2x < 100 and x is an integer,how many of the 2
英语的化学题plan an investigation to see how the PH of soil depend