The density of the object is estimated by the volume and the mass of the given object. The density of a 6.8 gm object with a volume of 34 mL is 0.2 g/mL. Thus, option C is correct.
What is density?
The density of an object has been defined as the division of the mass of the object to the volume displaced by it. The mass can be grams and the volume can be in milliliters.
The density is represented as D or ρ and has a direct relation with the mass but inverse with the volume of the substance.
The formula for density is given as,
Density (D) = Mass (M) ÷ Volume (V)
Given,
Mass of object = 6.8 grams
Volume = 34 mL
The values are substituted above in the formula as,
Density = Mass ÷ Volume
Density = 6.8 ÷ 34
= 0.2 gm/mL
Therefore, option C. 0.2 gm/mL is the density of the 6.8-gram object.
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