1 is d 2. a 3. c
step by step
The answer will be
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4.88 x 1023 molecules of O2
Answer:
<h3>The answer is 8.33 g/mL</h3>
Explanation:
The density of a substance can be found by using the formula
From the question
mass = 100 g
volume = 12 mL
We have
We have the final answer as
<h3>8.33 g/mL</h3>
Hope this helps you
A substance cannot be a gas or a mixture. A pure<span> substance is something that occurs in nature. An element is made up of one type of atom only and cannot be split further. A compound has the combined properties of the elements from which it is made.
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Chemical property is when it's observed during a reaction in which the chemical composition or identity of the substance is changed. physical properties is when properties that do change the chemical nature of matter.
example for this is smell, color, freezing point, etc.