Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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- 19.49 grams of potassium phosphate, K3PO, (212.264 g/mol) is dissolved in 485 grams of water. Assuming the potassium phosphate completely dissociates, calculate the molality of potassium ions in the resulting solution.arrow_forward3.What is the molality(m) of a solution made from dissolving 179g.of MgCl2 into 1.OOL of water?arrow_forward10. Consider 18.32 g benzoic acid that is dissolved in 1.00 kg benzene (CeHe). The resulting solution has a freezing point depression of 0.384°C. Given that K(C6H6) 5.12°C kg.mol-¹: (a) Calculate the molar mass (g.mol-¹) of one "solute" particle in solution without looking up the chemical formula for benzoic acid.arrow_forward
- What is the molality (m) of Br - ions in 5.56 % by mass MgBr2(aq)? The molar mass of magnesium bromide is 184.113 g/mol.arrow_forwarda) An amount of 7.5 g polymer A is dissolved in 150 mL water. At 25.0 °C, the osmotic pressure of the solution is 0.272 atm. Determine the molar mass of polymer A.arrow_forwardAn aqueous solution is 40.0% by mass silver nitrate, AgNO3, and has a density of 1.47 g/mL. The molality of silver nitrate in the solution is m.arrow_forward
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