Lucille is a 4-year-old who has never visited a dentist, even though her family has dental insurance that allows for free regula
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Taking into account the definition of molarity, the molar concentration of the table salt is 1.368 .
Molar concentration or molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.
The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:
Molarity is expressed in units .
In this case, you have:
- number of moles= 10 g×
= 0.171 moles [being
the molar mass of NaCl]
- volume= 125 mL= 0.125 L [being 1000 mL= 1 L]
Replacing in the definition of molarity:
Solving:
<u><em>molarity= 1.368 </em></u>
Finally, the molar concentration of the table salt is 1.368 .
Learn more about molarity:
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