2. HCl reacts with NaOH to form water and NaCl. What volume of 0.500 HCl is required to yield 2.00 g of NaCl?
0.0684 mL 0.0342 mL 68.4 mL 34.2 mL None of these
3. The freezing point of compound A is -28oC and its Kf is 6.28. A solution of 25 g of compound B in 1000.g of compound A freezes at -12oC. Find the molecular weight of compound B.
22 g 5.02 g 9.81 g 12.6 g 14.4 g
4. Molality is measured in:
L/moles moles/L moles solute/kg solvent moles solute/ moles solvent + solute g/L
5. A student needs a 0.2 M solution of HCl. What volume of solution can be made using 0.50 g HCl?
0.069 mL 0.014 ml 14 mL 69 mL None of these
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