A chemist prepares a solution of aluminum chloride (AICI,) by measuring out 40. g of aluminum chloride into a 100. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's aluminum chloride solution. Be sure your answer has the correct number of significant digits.

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A chemist prepares a solution of aluminum chloride (AlCl, by measuring out 40. g of aluminum chloride into a 100. mL volumetric flask and
filling the flask to the mark with water.
Calculate the concentration in mol/L of the chemist's aluminum chloride solution. Be sure your answer has the correct number of significant
digits.
mol/L
x10
Transcribed Image Text:A chemist prepares a solution of aluminum chloride (AlCl, by measuring out 40. g of aluminum chloride into a 100. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's aluminum chloride solution. Be sure your answer has the correct number of significant digits. mol/L x10
Expert Solution
Step 1 To calculate

Given, amount of AlCl3 =40.0 gvolume of flask filled upto mark = volume of solution =100.0 mL =0.1 Lmolar mass of AlCl3 =133.34 g/molwe are asked to calculate the concentration of solution.

Step 2 Formula used and calculation

The concentration of aluminum chloride solution is given by,C=wM×V(in L)  ; where, w is given mass, M is molar mass, V is volumeand C is concentration of solution.Now, C=wM×V(in L)C =40.0 g133.34g/mol ×0.1 LC =40.013.33 molLC =3.0 molL

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