If a 0.020 M solution of a weak monoprotic acid has an H+ concentration of 6.00×10-4, what is the pH of the solution? A) 3.2
B) 10.8
C) 12.3

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

When a septic tank backs up a goes in to clean it out

Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l.s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?