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A platinum sphere has a radius of 1.20 cm. The density of platinum is 21.4×103 kg/m3. What is the mass of the sphere?
Venipuncture
The process of puncturing a vein with a needle to draw blood or administer medication.
Buffy Coat
The layer between the packed red blood cells and plasma in a centrifuged blood sample; this layer contains the white blood cells and platelets.
Centrifuged
The process of using centrifugal force to separate substances of different densities or to remove moisture.
Venipuncture
A medical procedure that involves puncturing a vein with a needle to extract blood or administer medication.
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