A sample of a substance has a mass of 4.2 grams and a volume of 6 milliliters
2 answers:
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Answer:
0.011 moles
Explanation:
There are about 6.02*10^23 atoms in a mole, so in the given sample, there are
which is about 0.011 moles.
Answer:
<h3>The answer is 7.50 g/mL</h3>Explanation:
The density of a substance can be found by using the formula
From the question
mass of iron = 150 g
volume = 20 mL
We have
We have the final answer as
<h3>7.50 g/mL</h3>Hope this helps you