Circle ALL the choices that are important to have when setting up a scientific study. A)It must involve an experiment.
B)The question must be measurable.
C)The question must contain a bias.
D)There must be data that can be collected or observed.

Enough of a monoprotic weak acid is dissolved in water to produce a 0.0172 m solution. if the ph of the resulting solution is 2.39 at 20 °c, determine the pka for the acid.

Give the set of reactants (including an alkyl halide and a nucleophile) that could be used to synthesize the following ether: draw the molecules on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars, including charges where needed. ch3ch2och2ch2chch3 | ch3

Explain what happens at the saturation point when adding salt to water at room temperature.