3. Calculate the amount of potassium dichromate (K_Cr,0)) that can be dissolved in 525 g of water at 80 C. Use the following graph for your reference. (5) 100 90 80 NaNO3 70 K2Cr2O7 60 KNO3 CaCl2 Solubility (g of salt in 100 g H20) 0 88 3 8 8 50 Pb(NO3)2 40 NaCl 30 20 KCIO3 10 0 Ce2(SO4)3 10 20 30 40 50 60 70 80 90 100 Temperature (C)