2. A 0.107 g sample of an unknown diprotic acid is titrated to the equivalence point using 50.0 mL of 0.206 M NaOH. Calculate the molar mass of the acid.
0.00515 g 20.8 g 0.0103 g 36.5 g 147 g

3. Which of the following substances is hydrophilic?
salt cream soy sauce sugar all of the above

4. Molarity is measured in:
moles/L moles/mL mL/moles L/moles moles/volume

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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