# chemistry

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An aluminum engine block has a volume of 4.86 L and a mass of 12.75 kg. What is the density of the aluminum in grams per cubic centimeter?

• chemistry -

Change liters to cubic centimeters (cc) knowing there are 1000 cc in 1 L.
Change 12.75 kg to grams knowing there are 1000 g in 1 kg.
Then density = mass in g/volume in cc.

• chemistry -

How many grams of acetic anhydride are needed to react with 3.25 of salicylic acid?

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