Answer:
<h3>The answer is 9.0 kg/L</h3>Explanation:
The density of a substance can be found by using the formula
From the question
mass = 1.8 kg
volume = 0.2 L
We have
We have the final answer as
<h3>9.0 kg/L</h3>Hope this helps you
How many molecules are there in 21.6 grams of CH4?
1 answer:
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Answer:
The empirical formula is =
Explanation:
Given that:- Mass of nickel = 2.241 g
Mass of the oxide formed = 2.852 g
Mass of the oxygen reacted = Mass of the oxide formed - Mass of nickel = 2.852 g - 2.241 g = 0.611 g
Molar mass of nickel = 58.6934 g/mol
Moles of nickel = = 0.03818 mol
Molar mass of oxygen = 15.999 g/mol
Moles of nickel = = 0.03818 mol
Taking the simplest ratio for Ni and O as:
0.03818 : 0.03818 = 1 : 1
<u>The empirical formula is =
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