In the reaction, A → Products, the rate constant is 7.5 × 10−3 M−1 s−1.

If the initial concentration of A is 0.613 M, what will be the concentration of A (in M) at t = 11.5 s?

Only enter the numerical value with three significant figures in the answer box below. Do NOT type in the unit (M).

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.

You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices