What is the ph of a solution of h2so4 that has [h3o+] = 5.45 × 10–5 m?

What is the relation between concentration of reactants and the rate of chemical reaction?

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?