2 years ago

Stirring increases the rate of dissolution because it?

1 answer:

6 0

Answer would be B. Stirring allows parts of the solution to come into contact with what you are trying to stir into a “new solution”. Think of it like shaking a smoothie bottle when you see separation happen after not touching the smoothie for a while :)

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A CaCl2 solution is given to increase blood levels of calcium. If a patient receives 6.1 mL of a 12 % (m/v) CaCl2 solution, how

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<h3>Further explanation</h3>

The concentration of a substance can be expressed in several quantities such as moles, percent (%) weight / volume,), molarity, molality, parts per million (ppm) or mole fraction. The concentration shows the amount of solute in a unit of the amount of solvent.

$\tt \%(m/v)\rightarrow 12\%=\dfrac{mass~CaCl_2}{volume~of~solution}\times 100\%\\\\mass~CaCl_2=12\%\times 6.1\div 100\%\\\\mass~CaCl_2=0.732~g$

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