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1) In the laboratory a student combines 35.3 mL of a 0.376 M potassium bromide solution...

1) In the laboratory a student combines 35.3 mL of a 0.376 M potassium bromide solution with 26.6 mL of a 0.595 M potassium sulfate solution. What is the final concentration of potassium cation ? M

2) In the laboratory a student combines 43.3 mL of a 0.438 M iron(III) bromide solution with 21.7 mL of a 0.303 M aluminum bromide solution. What is the final concentration of bromide anion ? M

3)In the laboratory a student combines 20.0 mL of a 0.490 M iron(III) nitrate solution with 16.8 mL of a 0.413 M cobalt(II) nitrate solution. What is the final concentration of nitrate anion ? M

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