Calculate the number of moles of solute in 18.33 mL of 0.1115 M K2Cr2O7(aq)

moles = M x L

To calculate the number of moles of solute, you need to use the given volume of the solution (in milliliters) and the molarity (M) of the solution.

Step 1: Convert the volume of the solution from milliliters to liters.
To do this, divide the given volume by 1000:
18.33 mL ÷ 1000 = 0.01833 L

Step 2: Multiply the converted volume in liters by the molarity of the solution.
0.01833 L × 0.1115 M = 0.00204 moles

Therefore, there are 0.00204 moles of K2Cr2O7 in 18.33 mL of 0.1115 M K2Cr2O7(aq).