1.
a measured amount of a solution of unknown concentration is added to a known volume of a second solution until the reaction between them is just complete; the concentration of the unknown solution (the titer) can them be calculated.
把一定数量的未知溶液加到定量的已知溶液中；根据反应结果判定未知溶液。
2.
An instrument that measures the concentration of a known constituent of a solution by comparison with colors of standard solutions of that constituent.
比色计比照某种溶质标准溶液的色彩，来测量一种溶液已知溶质浓度的仪器。
3.
an unstable purple acid (HMnO4) known only in solution or of permanganate salts.
一种紫色的不稳定酸（HMnO），已知仅存在于溶液或高锰酸盐中。
4.
A substance, such as a solution, of known concentration used in titration.
滴定剂一种用于滴定的，浓度已知的物质，如一种溶液
5.
an unstable inorganic acid known only in solution and as nitrite salts.
一种不稳定的无机酸，已知仅存在于溶液和亚硝酸盐中。
6.
a weak acid known only in solution; formed when carbon dioxide combines with water.
一种弱酸，已知仅存在于溶液中，二氧化碳与水结合时形成。
7.
an unstable acid known only in solution and as chromate salts.
一种不稳定的酸，已知仅存在于溶液中或作为一种铬酸盐。
8.
Saturated: After the maximum amount of a substance has dissolved, such that no more will go into solution, we say the solution is saturated with the substance.
饱和：已经溶解最大量之溶质之后，而此溶质不再进入溶液中，我们称此溶液已达饱和。
9.
a weak unstable acid known only in solution and in its salts; used as a bleaching agent and as an oxidizing agent.
一种不稳定的弱酸，已知仅以溶液和盐的形式存在，用作漂白剂和氧化剂。
10.
the hypothetical acid (H2Cr2O7) from which dichromates are derived; known only in solution and in the form of dichromate salts.
一种假定的、能从中提取重铬酸盐的酸，已知仅存在于溶液中或以重铬酸盐的形式存在。
11.
Reactions in liquid HF are known that illustrate also amphoteric behavior, solvolysis, or complex formation.
已知在液态HF中，也能说明两性行为溶剂分解或络合物形成作用的反应。
12.
Hint: When solute is added to a saturated solution, there is no change in ion concentration.
提示：当溶质加入已饱和溶液，对离子浓度无影响。
13.
In the true solution, the solid seems to have disappeared in the clear liquid .
在纯溶液中，固体似乎已经消逝在清澈的液体中。
14.
Solubility: Solubility of a substance in a certain solvent is defined to be the maximum amount of the substance which will dissolve in a given quantity of the solvent.
溶解度：在一特定的溶剂中，一物质的溶解度定义为：此物质溶解在一已知的溶剂之最大量。
15.
This is not at all characteristic of what is known concerning the dry aerosol.
这根本不是我们已知的有关于气溶胶的特征。
16.
chemicals dissolved in an aqueous solution
溶于水溶液的化学药品.
17.
Pass a chemical through a solution.
使化学药品溶进溶液。
18.
The most basic of class of vaccines actually contains disease-causing microorganisms that have been killed with a solution containing formaldehyde.
最基本的一类疫苗实际包含已被甲醛溶液杀死的致病微生物。