Lithium and oxygen only exist in nature as Diatomic Molecules. True or False
1 answer:
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Answer:
a) is the mass of 1 mole of bricks.
b) moles of bricks have a mass equal to the mass of the Earth.
Explanation:
a) Mass of brick = 4.0 kg
1 mole = particles/ atoms/molecules
Mass of bricks :
is the mass of 1 mole of bricks.
b)
Mass of the Earth = M =
Mass of 1 mole of brick = m=
Let the moles of brick with equal mass of the Earth be x.
moles of bricks have a mass equal to the mass of the Earth.
Answer:
<h3>The answer is 0.91 %</h3>Explanation:
The percentage error of a certain measurement can be found by using the formula
From the question
actual volume = 198.2 mL
error = 200 - 198.2 = 1.8
So we have
We have the final answer as
<h3>0.91 %</h3>Hope this helps you