Calculate the ph of a 0.20 m solution of nh4br at 25.0 ∘

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Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)

Why did southern business leaders want to increase the number of slaves

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure