WebCalculate the [H3O+] and pH of the polyprotic H3C6H5O7 with an initial concentration 0.125 M. I got 0.011, but apparently it is wrong even though I added the three dissociated concentrations. Help would be very much appreciated! Here are the Ka values: Ka1=7.4*10^-4, Ka2=1.7*10^-5 Ka3=4.0*10^-7 Formic acid (HCOOH) is secreted by ants. WebNov 21, 2024 · mmol of H₃C₆H₅O₇: 0.6310 mmol mass of H₃C₆H₅O₇: 0.1212 g mass % of H₃C₆H₅O₇ in orange juice: 1.37% molarity of H₃C₆H₅O₇ in orange juice: 0.0726 M Explanation: Let's consider the following balanced chemical equation. H₃C₆H₅O₇ + 3 OH⁻ → C₆H₅O₇³⁻ + 3 H₂O (a) What is the stoichiometry of H₃C₆H₅O₇ to OH⁻? The molar ratio of H₃C₆H₅O₇ to OH⁻ …
CHEMISTRY 115 HOMEWORK 1 - DePaul University
WebWrite a net Bronsted equation that shows the acidic or basic nature of coffee (quinic acid, HC7H11O6) with a pH of 4.70. Write a net Bronsted equation that shows the acidic or basic nature of... WebIt required 14.87 mL of 0.0981 M NaOH to reach the equivalence point. Analyze his results and answer the questions below. The reaction and the molar mass are given below. … pop warner national 2021
Calculating pH of a Strong Acid - Chemistry Problems
WebA concentration of 47.6 mmol/L of citric acid (pH 2.3) in water led to total cell death within three minutes of incubation /with gingival fibroblasts (GF)/. Media containing 23.8 mmol/L and 47.6 mmol/L of citric acid exerted strong cytotoxicity (47 to 90 per cent of cell death) and inhibited protein synthesis (IC50 = 0.28 per cent) of GF within ... WebThe colour change and the pH range of some common indicators are tabulated below: Indicator pH Range Over Which Colour Change Occurs Colour of Acidi Form Colour of Base Form Methyl Orange 3.2-4.5 Orange Yellow Methyl Red 4.4 – 6.5 Red Yellow ... in to the acid H3C6H5O7. Since acids. Read More. More about Titration Lab. Titration Lab Report ... WebWhat is the pH of a solution for which [H+] = 1.0 × 10^‐3? 3 The molar concentration of H+ ions in a solution is 5.8×10^‐9. What is the pH of the solution? between 8.00 and 9.00 A … sharon richardson cpa