Exam 2 151 F 05 MWF 900 1. Which of the following is a strong base ...

1<strong>1.</strong> Select <strong>the</strong> correct name and chemical formula for <strong>the</strong> precipitate that forms when <strong>the</strong> <strong>following</strong> reactants aremixed.CoSO 4 (aq) + (NH 4 ) 3 PO 4 (aq) →A. cobalt(II) phosphate, Co 3 (PO 4 ) 2B. cobalt(III) phosphate, Co 3 (PO 4 ) 2C. cobalt(II) phosphate, CoPO 4D. cobalt(III) phosphate, CoPO 4E. ammonium sulfate, (NH 4 ) 2 SO 414. How many moles <strong>of</strong> H + (aq) ions are present in 750 mL <strong>of</strong> 0.65 M hydrochloric acid?A. <strong>1.</strong>2 molB. 0.98 molC. 0.87 molD. 0.65 molE. 0.49 mol15. In <strong>the</strong> <strong>following</strong> reaction, what ions, if any, are spectator ions?Pb(NO 3 ) 2 (aq) + 2NaCl(aq) → PbCl 2 (s) + 2NaNO 3 (aq)A. Pb 2+ (aq), Cl - (aq)B. Na + (aq), NO - 3 (aq)C. Pb 2+ (aq), NO - 3 (aq)D. Na + (aq), Cl - (aq)E. There are no spectator ions

2<strong>1.</strong> Potassium chloride, KCl, sodium sulfate, Na 2 SO 4 , glucose, C 6 H 12 O 6 , carbon dioxide, CO 2 and ammoniumphosphate, (NH 4 ) 3 PO 4 , are soluble in water. <strong>Which</strong> one produces <strong>the</strong> largest number <strong>of</strong> d<strong>is</strong>solved particlesper mole <strong>of</strong> d<strong>is</strong>solved solute?A. KClB. Na 2 SO 4C. C 6 H 12 O 6D. CO 2E. (NH 4 ) 3 PO 424. <strong>Which</strong> <strong>of</strong> <strong>the</strong> <strong>following</strong> <strong>is</strong> a weak acid?A. H 2 SO 4B. HNO 3C. HFD. HBrE. HCl