Which of the following is the correct formula for sulfuric acid? a)hso3 b) h2so3 c)hso4 d)h2so4

Compare and contrast the bohr model and the electron cloud models of the atom.

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.

Did the detergents containing enzymes work better at removing stains than those containing no enzyme? why or why not?