15. The alcohol content in a 10.0 g sample of blood from a driver required 4.23 mL of 0.07654 MK2Cr2O7for titration. If the current legal limit of blood alcohol content is 0.08 percent by mass, should the driver be prosecuted for drunken driving? What is thepercent alchohol in the driver’s blood? (7 points)
16. Write balanced chemical equations for the following: (8 points)a.A solution of sulfuric acid (battery acid) is neutralized with a solution of sodium hydroxide.
b.The combustion of iron metal produces iron(III) oxide (rust).
c.When sodium metal is dropped into water, it fizzes.
d.The science fair “volcano reaction” is produced by mixing sodium bicarbonate (baking soda) with vinegar (a solution of acetic acid HC2H3O2).
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