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- What is the pH of a 0.300 M solution of HCN in which the [CN-] has been adjusted to 0.0100 M? (Hint: Use Ka to find the hydronium concentration. But the cyanide concentration is not x this time. It is given as 0.0100 M.)Determine the strongest to weakest l being strongest 3 being weakest & explain why?Hi , I have the problem to answer quetion 2.51 (b) and (d).. May I have the scheme draft and explanation to understand this topic better.. Can you explain to me how we need to choose the factor that determine acid strength based on the question given , as i know there are four factors included (element effect,inductive effect,resonance effect and hybridization effect).
- Which of the following ionizes to the greatest extent? Multiple Choice HCO2H, Ka = 1.8 × 10−4 HNO2, Ka = 5.6 × 10−4 NH4+, KKa = 5.6 × 10−10 CH3CO2H, Ka = 1.8 × 10−5 HCN, Ka = 6.2 × 10−10Which acid has the largest Ka: HClO2(aq), HBrO2(aq), or HIO2(aq)?a) HClO2(aq)b) HBrO2(aq)c) HIO2(aq)d) All three acids have the same Ka.Calculate the Ka and Kb of a 0.01M NH4OH with a hydroxide concentration of 0.005M
- What ion does my unknown contain? Options include: Flouride, Chloride, Bromide, Iodide or none of them!At 40 °C, Kw = 2.92 × 10‒14. At 50 °C, a solution with pOH = 7.00, has a pH of ____________. Group of answer choices: 7.00 and is neutral. 7.00 and is slightly basic. 6.53 and is slightly basic. 6.53 and is slightly acidic.a.Explain how the following factors affect the strength of binary acids. a. Bond length b. Bond polarity. On what account is h2so4 considered a stronger acid than h2so3? c. Nacl and Nh4cl are both salts obtained from a reaction of half with base.Explain why nh4cl has an effect on litmus paper but nacl does not.