WebMar 13, 2024 · a)pH = 8.92. b)pH = 4.74. c)pH = 11.55. d)pH = 4.46. e)pH = 4.73. I tried subtracting .001 moles from .1 moles from acetic acid and adding .001 moles to … Web4. a) Calculate the pH of a solution that is 0.60 M HNO2 and 0.40 M NaNO2. This is a buffer: we have a weak acid, HNO2, and its conjugate base, NO2 [acid] [base] pH = pKa + log (0.60 M) (0.40 M) pH = -log(4.5 x 10-4 ) + log pH = 3.35 + log(0.67) = 3.35 + (-0.18) = 3.17 b) Calculate the pH after 0.01 mol NaOH is added to 500.0 mL of the solution in part A.

mixtures - Finding the pH of the resultant solution when a …

http://hyperphysics.phy-astr.gsu.edu/hbase/Chemical/ph.html WebMay 28, 2015 · A mixture is made by combining 110 mL of 0.15 M $\ce{HCl}$ and 215 mL of 0.055 M $\ce{HI}$. What is the pH of the solution? $$\ce{HCl -> H+ + Cl-}$$ $$\ce{HI -> H+ + I-}$$ According to what I thought, the molarity of $\ce{H+}$ is the same as $\ce{HCl}$, because it is a strong acid and the mole ratio. cheap car rentals in niagara falls

Solving for pH of a Mixture of Acid and Base Problems - Math …

WebMixture 6, the combination of a weak acid and a weak base, is also a buffer. The pH can be calculated using the Henderson-Hasselbalch equation. For example, consider the mixture of 10. mL of 0.1 M NH4Cl and 15 mL of 0.10 M NH3. For this example, pH = -log (5.6 x 10 -10) + log (1.5 mmol NH 3 / 1.0 mmol NH 4+) = 9.43. Web[H+] at pH = 1 ---> 10¯1= 0.1 M The dilution formula is M1V1= M2V2: (0.1 mol/L) (5.0 mL) = (x) (10.0 mL) x = 0.05 M pH = −log [H+] = −log 0.05 = 1.3 If the pH = 7 solution had been a buffer, the solution path would have been more complex and would require additional information about the buffer solution. WebCalculate the pH of a solution that is 1.00 M HNO 2 and 1.00 M NaNO 2. Step-by-step solution Step 1 of 3 A buffer solution is one that resists a change in its pH when either hydroxide ions or protons are added. We are given a buffer solution for which the composition is and. This is an acidic buffer. cheap car rentals in north miami