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CHEM 133 Lesson 2 Quiz (American Public University)
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Based on the solubility rules, which of the following compounds should be insoluble in water? Question options: ZnCl2 MgBr2 NaCl AgBr FeCl2 View Feedback 4 / 4 points What is the molar concentration of sodium ions in a 0.350 M Na 3PO4 solution? Question options: 0.350 M 1.05 M 1.40 M 0.117 M View Feedback 4 / 4 points For which compound does 0.256 mole weigh 12.8 g? Question options: CH3Cl C2H4O C2H6 CO2 none of these choices View Feedback 4 / 4 points What is the molecular mass of Br2? Question options: 2.65 x 10-22 amu 159.8 amu 159.8 g 79.90 amu 79.90 g View Feedback 4 / 4 points A 17.0 g sample of HF is dissolved in water to give 2.0 x 102 mL of solution. The concentration of the solution is: Question options:
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