Which one of the following is a weak acid? a. H2SO4 b. HI c. HBr d. HF e. HClO4 Acid Strength: Acids can be strong, in which they fully dissociate in water to make the same concentration of hydronium ions as the concentration of acid, or they can be wea...
0.1mole ofCH3NH2(Kb=5×10−4)is mixed with0.08mole ofHCland diluted to one litre. The[H+]in solution is View Solution For a weak acid HA the value ofKa=10−4, then calculate the pH of 0.01M solution of this acid. View Solution ...
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...
What are the properties of hydrochloric acid? Why is HF weaker acid than HCl , HBr and HI ? Which of the following is a weak acid? a) HBr b) H2SO4 c) HNO3 d) HNO2 e) KOH Which acid provides the most H_{3}O^{+} ? a. 0.1M HCl b. 0.1M H_{2}SO_{4} c. 0.1M...
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 ...
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
A weak base always forms a strong conjugate acid. In the case of H3PO4, it forms H2PO4- (dihydrogen phosphate anion) as its conjugate base after removing an acidic proton. Moreover, H3PO4 is a weak acid so according to the conjugate acid-base pair, its corresponding pair, H2PO4−...
Why is hydrofluoric acid a weak acid? 来自 万方 喜欢 0 阅读量: 61 作者:P Ayotte,M He?Bert,P Marchand 摘要: The infrared vibrational spectra of amorphous solid water thin films doped withHFat40Kreveal a strong continuous absorbance in the1000–3275cm1range. This so-called Zundel continuum ...
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Which of the following substances would be a poor choice for making conductive solutions? a) HCl, KBr, HNO_3 b) NaOH, KOH, LiOH c) C_6H_12O_6, CH_3OH, CH_3CH_2OH A .050 M solution of the weak acid HA has [H_3O^+]= 3.77 \times 10^{...