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Anit [1.1K]
3 years ago
6

A pure substance is found to have an empirical formula of CH and a molar mass of 78.114 grams. What is the molecular formula of

this substance?
Chemistry
1 answer:
harkovskaia [24]3 years ago
7 0

Answer:

Explanation:

Skamn jeksk

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Question 8 Lithium is a solid phase of lithium still unknown to science. The only difference between it and ordinary lithium is
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Answer:

the density of lithium will be equal to: 0.582 g/cm^3

Explanation:

We have the following data:

a = 430 pm = 4.3x10^-8 cm

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Since the cubic cell of lithium is cubic centered in the face, its value of Z will be equal to 4

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using the following formula we will calculate the density of lithium:

d = (Z*MM)/(a^3*AN) = (4*6.97)/((4.3x10^-8)^3*(6.022x10^23)) = 0.582 g/cm^3

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