3 years ago

How to do my homework? i’ll give 20 points to anyone who will do it!

Chemistry

2 answers:

NemiM [27]3 years ago

4 0

sure ill help you but i wont do it i can only help you -<em>Adriana</em>

tensa zangetsu [6.8K]3 years ago

3 0

what is it ??? ill edit this

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How were weapons and utensils fashioned during the Stone Age

Alenkasestr [34]

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3 years ago

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

Yuliya22 [10]

Mass of CaCl₂ = 0.732 g

<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.

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