Question

Calculate the number of moles of solute in 59.23 mL of 0.1455 M K2Cr2O7(aq).

Answer 1

well, if you had 1000 ml you will have 0.1455 moles, but you only have a fraction of that, so

moles= 0.1455* (59.23/1000)=0.1455* 0.059.23