Suppose that two hydroxides, MOH and M′(OH)2, both have a Ksp of 2.15 × 10−12
and that initially both cations are present in
a solution at concentrations of 0.001 mol/L.
At what pH will the hydroxide precipitate
when solid NaOH is added to the solution?

Which mathematical relationship should you us to convert moles of a substance into grams

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?