Calculate the number of moles of solute in 86.05 mL of 0.1545 M K2Cr2O7(aq).

Answer 1

First convert mL to L by dividing by 1000 to get 0.08605 L.

Units for Molarity are (moles / L), so we can multiply 0.1545 (moles / L) * 0.08605 L to get 0.01329 moles of solute.