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2 years ago

Anatomy+ Chemistry List the 8 common ions in the human body and their charge. Identify each as a cation or anion.

Chemistry

1 answer:

Yuliya22 [10]2 years ago

4 0

Answer:

Sodium ions - Na⁺ - cation

Potassium ions - K⁺ cation

Chloride ions - Cl⁻ anion

Magnesium ions - Mg²⁺ cation

Calcium ions - Ca²⁺ cation

Phosphate ions - P³⁻ anion

Iron ions - Fe²⁺ cation

Zinc ions - Zn⁺ cation

Explanation:

Following is a list of 8 common but essential ions in the cells and fluids of human bodies:

1. Sodium ions helps in regulation and control the level of body fluids

2. Potassium ions help regulate cellular functions

3. Calcium ions are essential for building and maintaining strength bones and teeth. and have role in blood clotting, muscle contraction, and the transmission of nerve signals to cells.

4. Chloride ions are the main anions found outside body cells. They acts as counterions

5. Magnesium ions present in the bones

6. Phosphate ions present in body fluids act as the counterions.

7. Iron

8. Zinc

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The answer:
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M(HCl) = 5.5g/ mole of HCl , so mole of HCl = 5.5/M(HCl), where M(HCl) is the molar mass.
M(HCl) = 1+ 36.5= 37.5

moles of HCl = 5.5/37.5=0.14

M(C2H6O) = 200g / moles of C2H6O, so moles of C2H6O=200g / M(C2H6O)

M(C2H6O)= 2x12+ 6 + 16=46,

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the sum of the moles is 0.14 + 4.35 = 4.501 moles

finally, The mole fraction of hcl in a solution prepared by dissolving 5.5 g of hcl in 200 g of c2h6o is 0.031

because it can be found by 0.14 / 4.501= 0.031

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