A chemist prepares a solution of silver (II) oxide by measuring out of silver (I

Question

A chemist prepares a solution of silver (II) oxide by measuring out of silver (II) oxide into a volumetric flask and filling the flask to the mark with water.

Calculate the concentration in of the chemist's silver (II) oxide solution. Round your answer to significant digits.

A chemist prepares a solution of silver (II) oxide (AgO) by measuring out 0.0011 mu mol of silver (II) oxide into a 150.mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's silver (II) oxide solution. Round your answer to 2 significant digits.

Explanation / Answer

Moles of AgO = 0.0011 micromoles = 0.0011 x 10^(-6) mol

Volume of solution = 150 mL = 0.150 L


Concentration = moles of AgO/volume of solution

= 0.0011 x 10^(-6)/0.150

= 7.3 x 10^(-9) mol/L

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