Weba)What is the pH of a 1.0 x 10 -3 M solution of KOH? 3 11 8 7 b)Calculate the pH of a 1.0 x 10 -2 M solution of KOH: 1 13 2 12 c)What is the pH when [H +] = 1.0 x 10 -3 M 1 x 10 (-11) 1 x 10 (-7) 3 11 d)What is the pH when [OH -] = 1.0 x 10 -6 M 8 1 x 10 (-8) 6 1 x 10 (-6) Expert Answer The ph of question (a) … View the full answer WebSep 27, 2016 · To calculate the pH of the resulting solution when 30mL0.1M KOH soution is mixed with 15 mL 0.2M HCN solution Answer 30mL0.1M KOH ≡ (30 × 0.1) = 3mmolKOH 15mL0.2M HCN ≡ (15 × 0.2) = 3mmolH CN Now the equation of …
Solved Question 2 a)What is the pH of a 1.0 x 10-3 M
WebA certain acetic acid solution has pH = 2.68. Calculate the volume of 0.0975 M KOH required to reach the equivalence point in the titration of 25.0 mL of the acetic acid solution. arrow_forward. A 0.400-M solution of ammonia was titrated with hydrochloric acid to the equivalence point, where the total volume was 1.50 times the original volume. Web3/15/2024, 9:56:54 PM. To prepare 1000 mL of a 0.1 mol/L solution of Potassium hydroxide we have to dissolve 5.6105 g of KOH (100 % purity) in deionized or distilled water. After the solid is completely dissolved, dilute the solution to a final volume with deionized (distilled) water. Transfer the prepared solution to a clean, dry storage ... greenbacks monthly fee
What is the pH of a 0.003 M KOH solution? Socratic
WebAug 30, 2024 · As the moles of KOH = moles of HI at the equivalence point, we have 4.2 moles of HI. To find the volume of the solution of HI, we use the molarity of HI (3.4 M) and the fact that we have 4.2 moles of HI: By dividing by 3.4 mol HI / L on both sides, we get: We are left with X = 1.2 L. WebWhat is the pH of stomach acid, a solution of HCl with a hydronium ion concentration of 1.2 × 10 –3 M? Show Solution. pH = −log[H 3 O +] = −log(1.2 × 10 –3) = −(−2.92) = 2.92 (The use of logarithms is explained in Essential Mathematics. Recall that, as we have done here, when taking the log of a value, keep as many decimal places ... WebJan 30, 2024 · The pH scale is logarithmic, meaning that an increase or decrease of an integer value changes the concentration by a tenfold. For example, a pH of 3 is ten times … flowers for a 70th birthday