How many grams of Br are in 515 g of CaBr2
Molar mass:Br = 79.904 g/molCaBr2 = 199.886 g/molCaBr2 = 2 Br + Ca199.886 g --------------- 2 x 79.904 g515 g -------------------- ?? ( mass of Br )515 x 2 x 79.904 / 199.886 =82301.12 / 199.886 => 411.74 g of Brhope his helps!