7. A student adds enough water to 120 mL of a 6.0 M solution of NaOH until the final volume of the solution is 2.0 L. What is the concentration of the diluted solution? 8. What volume of a 18.0 M H2SO4 solution is required to make 2.5 L of a 1.0 M H2SO4 solution? 9. What mass of ammonium chloride, NH4Cl, is present in 0.30 L of a 0.40 M NH4Cl solution?
7. A student adds enough water to 120 mL of a 6.0 M solution of NaOH until the final volume of the solution is 2.0 L. What is the concentration of the diluted solution? 8. What volume of a 18.0 M H2SO4 solution is required to make 2.5 L of a 1.0 M H2SO4 solution? 9. What mass of ammonium chloride, NH4Cl, is present in 0.30 L of a 0.40 M NH4Cl solution?
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