2. How many milliliters of water is needed to dilute 500. ml of a 4.00M NaCl(aq) to 800. MI of a 2.00M solution?

Type the letter that represents the correct location for each particle type below.

Based on its chemical properties, identify the position of each chemical family on the periodic table.

Lab reagent, hypothesis test.a reference solution used as a lab reagent is purported to have a concentration of 5 mg/dl. six samples are taken from this solution and the following concentrations are recorded: (5.32, 4.88, 5.10, 4.73, 5.15, 4.75) mg/dl.these six measurements are assumed to be an srs of all possible measurements from solution.they are also assumed to have a standard deviation of 0.2, a normal distributin, and a mean concentration equal to the true concentration of the solution.carry out a significance test to determine whether these six measurements provide reliable evidence that the true concentration of the solution is actually not 5 mg/dl.