Answer:
B
Explanation:
Light travels faster than sound.
A lot of values are given but we must focus only on HCl.
<span>There are 215 mL (0.215 L) of 0.300 M HCl that was
completely used. We must remember the
moles is simply the product of volume and molarity, that is:</span>
number of moles = 0.215 L * 0.300 M
<span>number of moles= 0.0645 moles HCl</span>
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C. An electromagnet is temporary and is magnetic when a current flows through a wire wrapped around the core.
It is because electromagnet are the solenoid that behave like a magnet during the flow of an electric current through it. They are temporary.
