ICE Charts With Acid Base Reactions.

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ICE Charts With Acid Base Reactions

1. 250. 0 mL of 0. 100 M H2SO4 reacts with 600. 0 mL of 0. 0500 M NaOH 1. 250.0 mL of 0.100 M H2SO4 reacts with 600.0 mL of 0.0500 M NaOH. Calculate the concentration of the excess acid or base. H2SO4 + 2 NaOH Na2SO4 + 2 HOH 0.2500 L x 0.100 mol 0.6000 L x 0.0500 mol 1 L 1 L Total Volume I 0.0250 mol 0.0300 mol 250.0 mL + 600.0 mL C 0.0150 mol 0.0300 mol E 0.0100 mol 0.0000 mol 0.0100 mol [ H2SO4 ] = = 0.0118 M 0.8500 L

The new volume = 300.0 ml + 100.0 mL = 400.0 mL 2. 300.0 mL of 0.100 M H2SO4 is mixed with 100.0 mL of 0.650 M NaOH , calculate the concentration of the excess acid or base? H2SO4 + 2NaOH 0.300 L x 0.100 mole 0.100 L x 0.650 mole L L I 0.0300 mole 0.0650 mole C 0.0300 mole 0.0600 mole E 0.0000 mole 0.0050 mole The two solutions are mixed therefore you need to add the volumes to get the molarity! The new volume = 300.0 ml + 100.0 mL = 400.0 mL [NaOH] = 0.0050 mole = 0.013M 0.400 L Note the loss of 1 sig fig! 2 sig figs!