14.) What volume of 0.504 M barium nitrate solution is needed to prepare 218. mL of a solution that is 0.244 M in nitrate ion

Which of these is the result of scientific research and not engineering? a. a new shoe design that features air cushioning for more comfort and protection b. the creation of glass with uv protection. c. a conclusion about diet commonalities among diabetics. d. the development of a smaller, more compact missile.

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

How many atoms are there in 5.70 mol of mg