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Chemistry / Chemistry: A Molecular Approach 3 / Chapter 1 / Problem 30E

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

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Explain the difference between precision and accuracy.

Chapter 1, Problem 30E

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QUESTION:

Explain the difference between precision and accuracy.

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QUESTION:

Explain the difference between precision and accuracy.

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Solution 30E: (a) Here, We have to calculate the density of osmium metal. Given in the question Length of side of the cube is 1.5 cm Mass of the metal atom is 76.31 g Let us consider a cube of length of each side = a cm = 1.5 cm Volume of the Cube = a x a x a = a3 = (1.5) cm 3 3 = 3.375 cm We know the relationship between Density and volume with mass is given below Density defines the mass per unit volume. By definition Density = Mass/ Volume = (76.31 g)/(3.375 cm ) 3 3 = 22.61 g/cm Hence, the density of osmium meta

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