In: Chemistry
1) How many liters of 0,.775 M solution can be prepared from 55.0 g of MgBr2?
2) Calculate the molarity of all ions present when 12.5g of potassium chlorate is dissolved in 85.0 ml of solution
3) What is the molarity of a solution prepared by diluting 50.0 ml of 0.300 M sodium nitrate (NaNO3) to 60.0ml?
4) A solution is made by mixing 50.0 ml of 0.300 M Na2So4 with 30.0 ml of 0.900 M K2SO4. Assuming that the volumes are additive, what are the molar concentrations of the following ions in the new solution? a. Na+ ion, b. K+ ion, c. SO42- ion