A 24 hour urine specimen was diluted to 2L \after the solution was buffered to pH10 a 10 ml aliquot was titrated with 27.32 ml of0.003969M EDTA The Calcium in the second aliquot was isolated asCaC2O4 redisolved in acid and titrated with 12.21ml of the EDTA. Calculate the concentrations of magnesium and calcium.