结果1 题目 Calculate the pH of a solution prepared by dissolving 0.750 mol of NH3 and 0.250 mol of NH4Cl in water sufficient to yield 1.00 L of solution. The Kb of ammonia is 1.8×10-5. A 5.22 B 4.27 C 9.73 D 8.78 E 0.89 相关知识点: 试题来源: 解析 C 反馈 收藏 ...
百度试题 结果1 题目3 Calculate the pH of a solution of HCl, of concentration 0.25 mol dm-3. C A -0.60□ B 0.25□ C 0.60 D 1.39 相关知识点: 试题来源: 解析 C 反馈 收藏
百度试题 结果1 题目 5. Calculate the pH of the solution when same volume of 0. 25 mol dm -3 HClO4 solution and0.40 mol dm-3 HNO3 solution are mixed. 相关知识点: 试题来源: 解析 6 0 反馈 收藏
Buffer solutions are the solutions in which the pH of the solution does not change on the addition of small amounts of acids or bases. Acidic buffer solutions are the solutions which contain a mixture of a weak acid and its salt with a strong base. ...
Calculate the pH of a 0.40 M solution of sodium acetate (NaCH3COO) given that the Ka of acetic acid (CH3COOH) is 1.8 x 10-5. a. 4.83 b. 9.26 c. 9.17 d. 2.57 e. 11.43 Calculate the pH of a 1.62 M sodium acetate solution. The Ka for acetic...
9.4 Calculate the pH of the NaOH solution.(4) In the titration, 15 cm3 of the diluted vinegar sample needed 30,25 cm3 of the sodium hydroxide solution for the endpoint to be reached.Na OH^-+CH_2OH_3COOH(aq) H2O() 相关知识点: ...
To calculate the pH of the resultant solution of 25 mL of 0.1 M HCl, 50 mL of 0.02 M HNO3, and 25 mL of 0.1 M NaOH, follow these steps:Step 1: Calculate the millimoles of HCl - Volume of HCl = 25 mL - Concentration of HCl = 0.1
百度试题 结果1 题目0 4.5Calculate the pH of the solution when half of the acid has reacted.[1 mark]pH of solution4.58 相关知识点: 试题来源: 解析 4.58=-1 og 2.6 2 x105=4:58 (must le 2or more dp) 反馈 收藏
pH: The pH, which means the power of Hydrogen, is the quantitative expression of the acidity and basicity of a chemical substance.it can be calculated by the concentration of hydrogen ions in the solution through the formula {eq}\rm{pH=-log[H^+]}{/eq}. The usual pH scale ra...
View Solution Calculate thepHof a solution which contains10mlof1MHCland10mlof2MNaOH View Solution H2CO3 Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET preparatio...