What is meant by a weak acid? Acid Dissociation Constant: Ka Answer and Explanation:1 The strength of an Arrhenius acid is solely indicated by the magnitude of its dissociation constant. We consider the dissociation equilibrium of a...
百度试题 题目H3BO3 is a weak ternary acid (三元酸). ( ) 相关知识点: 试题来源: 解析 × 反馈 收藏
19 Ethanoic acid is a weak acid.Hydrochloric acid is a strong acid.Which statements are correct? A1 Ethanoic acid molecules are partially dissociated into ions.2 1.0 mol/dmethanoic acid has a higher pH than 1.0 mol/dm3 hydrochloric acid.3 Ethanoic acid is always more dilute than hydrochloric...
In an aqueous solution, classify the compound as a strong acid, weak acid, strong base, weak base, or other for NaOH. Which of the following is a weak base? a. NH3 b. Ca(OH)2 c. Ba(OH)2 d. NaOH e. CH3COOH Which of the following is a weak...
Answer to: HF is a weak acid. NH3 is a weak base. Determine if the salt NH4F is: A) An acid B)base C)An acid + a base D) Neither acid nor base...
A0.1Msolution of weak acidHAis1%dissociated at298k. what is itsKa? what will be the new degree of dissociation ofHAandpHwhen0.2MofNaAis added to it. View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium ...
Preparing a salt of O-acetylsalicylic acid of basic amino acid, comprises continuously contacting, in a reactor (4), an aqueous solution of basic amino acid and a solution of O-acetylsalicylic acid dissolved in a solvent, and introducing a part of basic amino acid in the reactor, where: a...
a.b(i)b(ii)The majority of students did not recognise that the required ratio [B ]/[BH] was incorporated in the K。expression and the Ka and [H"] were given. Some students tried to incorporate the normal weak acid assumption that[B~ ] = [H" ] to calculate the [BH] and then ...
The magnitude of enthalpy of neutralisation of a weak acid is smaller than that of a strong acid. (T/F) View Solution Molecular weight of an organic acid is given by: View Solution pKaof a weak acid is defined as : View Solution ...
A certain weak acid is 10% dissociated in 1.0mol·L-1 solution.In 0.10mol·L-1 solution,the percentage of dissociation would be()。 A. greater than10 B. 10 C. less than10 D. zero 相关知识点: 试题来源: 解析 A.greater than10 ...