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How many grams of solid potassium hypochlorite should be added to 0.500 L of a 0.224 M hypochlorous acid solution to prepare a buffer with a pH of 8.338 ? Answer in grams potassium hypochlorite ----------------- How many grams of solid ammonium bromide should be added to 1.50 L of a 0.196 M ammonia solution to prepare a buffer with a pH of 9.820 ? Answer in grams ammonium bromide ----------------- How many grams of solid sodium fluoride should be added to 1.00 L of a 0.243 M hydrofluoric acid solution to prepare a buffer with a pH of 2.146 ? Answer in grams sodium fluoride
Question- Given the following ?H and ?S values, determine the temperature(s) at which the reactions would be spontaneous
Consider the following statement: "For some molecules and ions, a Lewis structure that satisfies the octet rule does not lead to the lowest formal charges, and a Lewis structure that leads to the lowest formal charges does not satisfy the octet rule...
A 0.277 g sample of unknown monoprotic acid requires 39.21 mL of 0.1019 M NaOH to reach the endpoint.
A buffer solution is prepared by dissolving 1.51 g NH3 and 3.85 g (NH4)2SO4 in enough water to make 0.500 L of solution.
Explain what is the molarity of a solution containing 72.9 grams of HCl in sufficient water to make 500mL of solution
AgCI are insoluble in water. what can we conclude, if anything, regarding the energy required for separating and energy released for solvating the ions. Explain
Calculate the molarity of 736 mL of a solution that contains 153 g of sucrose C12H22O11.
What volume (L) of 0.250M HNO3 is required to neuralize a solution prepared by dissolving 17.5g NaOH in 350mL of water?
An object is coated with a layer of chromium that is 0.015 cm thick. If the object has a surface area of 15.3 cm squared, how many atoms of chromium are used in the coating. The density of chromium is 7.19 g/cm cubed.
Phosphorus-32 is used in the form of Na2HPO4 in the treatment of chronic myeloid leukemia, among other things. (a) The isotope decays by beta-particle emission. Write a balanced equation for this process.
Calculate the solubility product constant for Pb(IO3)2 (4.3 x 10^-5 M), given that the molar concentration of saturated solution is as indicated in parenthesis.
Question- Pieces of cadium and tin are placed in a solution in which [CD^2+] = [Sn^2+] = 1.00 M. What is Ecell
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