Interpretation : The bar of metal is pure gold or not to be determined?
Concept Introduction : The connectivity between mass and volume is density. The formula of density is given as
Answer to Problem 69A
Since the experimental density and actual density do not match, the metal bar is not pure gold.
Explanation of Solution
Given information:
The volume is
The mass of metal is
Density is defined as the ratio of mass to volume. It gives the connectivity between mass and volume.
The formula of density is given as:
To calculate the density, substitute the values in the above equation.
The density of the metal according to the given mass and volume is
But the actual density of gold is
Since the experimental density and actual density do not match, the metal bar is not pure gold.
Chapter 3 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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