A solution of sodium hydroxide is standardized against potassium hydrogen phthalate (KHP, formula weight 204.2 g/mol). From
the following data, calculate the molarity of
the NaOH solution: mass of KHP 2.414 g;
buret reading before titration 0.23 mL; buret
reading after titration 39.67 mL.
Answer in units of M.

Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid

What are the coefficients to balance the following equation? ba+br2=babr2

Select the correct answer. why are scientific models important in the study of science? a. they always involve critical mathematical calculations. b. they scientists understand complex ideas and objects that aren’t easy to handle. c. they enable scientists to popularize their work in society. d. they are required when conducting any peer review process. e. they are necessary for turning a hypothesis into a law.