Discussion question 1 A concentrated phosphoric acid solution is 85.5% H3PO4 by mass and has a density of 1.69 g/mL at 25°C. What is the molarity of H3PO4? What is the mole fraction of urea, CO(NH2)2, in a solution prepared by dissolving 5.6 g of urea in 30.1 g of methanol, CH3OH? How will an […]
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Which liquids can you use to make your suspension mixture?
Density of a Cube Questions If the balance was not tared to display 0.00 g prior to adding the cube, which of the following statements are true? Select all that apply. The mass of the cube can be calculated. The mass displayed on the balance before the cube was added will need to be subtracted […]