Question

22) How many moles of CH3CH2Cl are contained in 548 mL of 0.0788 M CH3CH2Cl solution? A) 4.32 x 10-2 mol B) 2.32 x 10-2 mol C) 6.95 x 10-2 mol D) 1.44 x 10-2 mol E) 5.26 x 10-2 mol 23) How many milliliters of a 0.266 M CSNO3 solution are required to make 150.0 mL of 0.075 M CSNO3 solution? A) 53.2 ml B) 42.3 mL C) 18.8 ml D) 23.6 mL E) 35.1 ml 24) What is the concentration of magnesium ions in a 0.125 M Mg SOA solution? A) 0.125 M B) 0.0625 M C) 0.375 M D) 0.250 M E) 0.160 M 25) What is the concentration of sodium ions in a 1.225 M Na2SO4 solution? 26) What is the concentration of FeCl3 in a solution prepared by dissolving 30.0 g of FeCl3 in enough water to make 275 mL of solution? A) 6.73 x 10-4 M B) 0.673 M C) 1.49 M D) 1.49 % 103 M

Answer 1

kindly post different questions separately. please rate

22 Noltme a CH3 CHaC 0.548 L 548 mL = IL) (l000 mL concentration CH3CHa Cl .0188 M Moles CHa CHl2 C concentration (M) Voleme L 0.0788M X0 58 L 4.32 XID-2 mo1 Hence, option A) i9 COnect