Mol = # atoms ÷ Avagadaro's number (6.02×10^23)
mol = 2.4×10^24 ÷ 6.02×10^23
mol = 3.986 mol
Answer:
I think it would be B. But your lymph nodes swell when you are sick because of irritation and infection.
Explanation:
The correct answer is
C.
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The principal positively charged ion that has a significant role in maintaining fluid and electrolyte balance is p<span>otassium.
</span><span>Potassium (K) is the third most abundant mineral in the body.
It is needed for the function of brain, heart, kidneys and muscular tissues.
</span><span>Potassium is important for keeping the body hydrated and with sodium support cellular function (sodium-potassium pump).</span>