Calculate the pH of a buffer that is 0.035 M HF and 0.035 M NaF. The Ka for HF is 6.8×10-4.

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring

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

Which of the following are correct values for the ideal gas laws constant r