HELP ASAP PLEASE

Calculate the pH of a 3.00×10-4 M solution of the strong acid HClO4. Round your answer to 3 significant digits.

Calculate the molarity (M) of a solution of the strong base RbOH if the hydroxide ion concentration is 0.000309 M.

Calculate the molarity (M) of a solution of the strong acid H2SO4 if the hydrogen ion concentration is 0.000244 M.

Calculate the [CH3CO2H] in a solution if it has a pH 3.21. CH3CO2H = CH3CO2- + H+

Calculate the [OCl-] of a 7.03×10-2 M solution of the weak acid HClO (make an approximate calculation assuming that initial concentration is equal to the equilibrium concentration). Round your answer to 3 significant digits. HClO = OCl- + H+

Calculate the pH of a 5.75×10-2 M solution of the weak acid HCN (make an approximate calculation assuming that initial concentration is equal to the equilibrium concentration). Round your answer to 3 significant digits. HCN = CN- + H+

Estimate the equilibrium constant for the weak acid HCO2H, if a 2.19×10-3 M aqueous solution of HCO2H has a pH 3.21 (make an approximate calculation assuming that initial concentration is equal to the equilibrium concentration). HCO2H = HCO2- + H+

Estimate the initial [C6H5CO2H] in an aqueous solution in which the [C6H5CO2-] is 0.000172 M at equilibrium (make an approximate calculation assuming that initial concentration is equal to the equilibrium concentration). C6H5CO2H = C6H5CO2- + H+

Calculate the equilibrium constant for the weak base C5H5N, if a solution of the base with an initial concentration of 5.74×10-3 M has a [C5H5NH+] of 0.00000283 M (make an approximate calculation assuming that initial concentration is equal to the equilib...

What impact did your reading selection have on you as a reader? I don't understand this question. Can someone explain it to me please.

Which question should you ask during your first read of the multi-draft reading process? A. what is the authors purpose in writing this piece ? ** B.how has this work increased my knowledge of a subject , issue , event . C. what evidence does the author p...

Thank you sooo much samantha

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