IGCSE chemistrystrong and weak acids 强酸和弱酸strong and weak bases 强碱和弱碱, 视频播放量 237、弹幕量 0、点赞数 5、投硬币枚数 0、收藏人数 1、转发人数 4, 视频作者 Lisa郎老师, 作者简介 隔过星辰大海,无畏世俗与尘埃,相关视频:8.3 half-equations in electro
analyte, weak acid titrant, strong base reaction during titration HC2 H3 O2 NaOH HC2 H3 O2 + NaOH ↔ NaC2 H3 O2 The extent of dissociation can also be described by dissociation constants symbolized as a Ka (for acids) and Kb (for bases). Since the Ka or Kb can be a very small or...
As the pH of a substance rises from 7, it turns from a weak base to a strong base. A strong acid such as HCl, when mixed with water, will separate into molecules of hydrogen ions and chloride ions. That is called dissociation. Strong acids dissociate more completely than weak acids, ...
StrongAcid-WeakBaseand WeakAcid-StrongBase SlowchangeinpHbefore equivalencepoint;solution isabuffer CH 3 COOH(aq)/CH 3 COO - (aq) Athalfwaypoint [HA]=[A - ] pH=pK a Atequivalence,pH determinedbyCH 3 COO - (aq) CH 3 COOH(aq)+OH - (aq)->CH 3 COO - (aq)+H 2 O(l) Changes...
PURPOSE:To offer the method of converting a strong acid-type strong basic anion exchange resin which is unstable for strong alkali into a weak acid type resin without degrading the performance such as ion exchanging volume, etc. CONSTITUTION:When a strong acid-type strong basic anion exchange ...
Hydrochloric acid (HCl) is a strong acid. What pH would you expect it to be? Hydrochloric acid (HCl) is a strong acid. About what pH would you expect it to be? The reaction of the strong acid HCI with the weak base CH_3NH_2...
Answer to: Identify the following compounds as an acid or a base, and also indicate if they are strong or weak. a. HNO3 b. NaOH c. HCl d. CH3COOH...
Molecular shuttleThis Letter describes the base- and acid-mediated four-state (partially five-state) translational isomerization of a mixture of two [2]rotaxanes, each containing N-alkylamine and N-arylamine centers as binding sites for threaded crown ethers. Gradual changes in the molecular ...
The resulting membrane behaved as a charge-mosaic membrane at higher pH values and as an anion-exchange membrane at lower pH values, the behavior corresponding to the degree of dissociation of the carboxyl group. This weak acid-strong base type charge-mosaic membrane exhibited quite high ion ...
A linear titration equation for determination of weak acids in the presence of small amounts of a strong acid is derived. The titration is performed potentiometrically. Equal volumes of the titrant are added stepwisely. More satisfactory results are obtained from the determination of an extremely ...