Aluminum has a density of 2.70 g/mL. What is the density in g/cm 3 ? What is the

Question

Aluminum has a density of 2.70 g/mL.

What is the density in g/cm3?

What is the density in pounds/ft3?

A standard gold bar weighs 12.4 kg. The density of gold is 19.3 g/mL. What is the volume of a gold bar? If an ounce of gold is worth $1255, what is the value of a bar of gold?

Phenytoin or Dilantin is an anticonvulsant. A patient needs 0.300 g per day. Phenytoin is available as 50 mg of Dilantin / 2 mL. of solution How much solution would the nurse administer in a day?

Solumedrol (used to treat severe allergies) is given as 1.5 mg of drug /kg of body weight. A child weighing 38.5 pounds needs a dose. Solumedrol is a liquid and is available as 125 mg of drug / 2 mL of solution. How many mL must the nurse administer?

If light travels at a speed of 3.00 x 108 meter/second, how far can light travel (in feet) in a nanosecond ?

7.         Diamond has a density of 3.53 g/cm3. What is the volume of a 3.00 carat diamond ring?

8.      Gas is sold for 1.18 € (euro) per liter in Madrid, Spain. Your rental car needs 13.50 gallons.

         The current exchange rate is 1 € = 1.12 US Dollars. How much will your credit card be charged in American dollars?

Explanation / Answer

1.

We know that
1g/ml = 1g/cm3
Hence 2.70 g/ml = 2.70 g/cm3

2.

We know that 1 g/ml=62.428 pound/ft3
Therefore 2.70g/ml = (62.428)x(2.70)
168.555 pound/ft3

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