2 years ago

Why is it important to name "air" as part of the system?

1 answer:

3 0

Your respiratory system is the network of organs and tissues that help you breathe. This system enables your body soak up oxygen from the air so your organs can work. It also cleans waste gases, which includes carbon dioxide, from your blood. Common troubles encompass allergies, illnesses or infections.

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Osmolarity=osmole of the solute/litres of the solution
ionic equation for dissociation of CaCl2 is
CaCl2--->Ca2+ +2Cl-
total osmoles for reaction are 1(Ca2+) + 2(Cl-)= 3 osmoles
therefore

0.50 moles of CaCl2 x 3 osmoles/ 1mole of CaCl2 = 1.5osmoles
osmolarity=1.5 /1.0 L=1.5 osmol/l

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kipiarov [429]

The correct answer is the 3rd one

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