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what is the ph of stomach acid that has an acidity of 6.02 x 10^-2 M?
Review Part B The gastric juice in your stomach has a pH of 2.0. This acidity is due to the secretion of protons into the stomach by the epithelial cells of the gastric mucosa. Epithelial cells have an internal pH of 7.0 and a membrane potential -70 mV (inside is negative) and function at body temperature (37 C). Calculate the free energy change associated with the secretion of 1 mole of protons into gastric juice at 37 C, outside zFV...
acidity constant for hypobromous acid = 8.63 What is the pH of a water containing 10-43 M hypobromous acid? b)8 ) 10 20
Measurements show that the [OH) of a solution is 6.02 x 10-6 M. The pH of this solution is: O a. 5.22 6.02 O 0 O c. 8.78 O d. 12.45 O e. 9.78
What is the pH of a 0.5 M solution of NH3? (Ka for NH4+ is 6.02 x 10-10)
What is the pH of a solution that has a hydroxide concentration of 1.9 X 10-5 M? What is the pH of a 0.056 M solution of H2SO4? H2SO4 is a strong acid. Calculate the pH of a 0.50 M solution of Sr(OH)2. Sr(OH)2 is a strong base. Mylanta liquid has 200 mg of Al(OH)3 and 200 mg of Mg(OH)2 per teaspoonful. Write the equation for the neutralization of stomach acid. Assuming both bases are completely soluble in water, calculate...
A sample of stomach acid from a patient had a pH of 2.10. Calculate the concentration of [H3O+] in the sample. 130 M 55 M 0.32 M 7.9 x 10-3 Impossible to determine QUESTION 2 If the pH is 2.1, what is the pOH for this sample? (Assume Kw = 1 x 10-14 Impossible to determine
If the K, of a monoprotic weak acid is 1.3 x 10 , what is the pH of a 0.27 M solution of this acid? pH =
A 4.5×10-2 M solution of a weak monoprotic acid has a pH of 4.27. What is pKa for this acid?
Calculate the pH of 1.00 x 10^-2 M oxalic acid solution. Calculate the pH of 1 x 10^-2 M solution of sodium oxalate. Ka1 = 5.62 x 10^-2, Ka2 = 5.42 x 10^-5
What is acidity and what are the compounds controlling it? Acidity is a measure of the concentration of hydrogen ions (H+ or protons) in a solution. We use pH (potential of H+) as a scale of acidity and this can be calculated as below: pH = -log10[H+] = log10 (1/[H+]) Q1. Figure 10.3 shows you a range of pH in some common liquids. Pick 2 liquids (one each from acidic and basic solutions) and compare the molarity of [H+] in...