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CHEMISTRY 120: EXAM 2 EXAM WITH CORRECT QUESTIONS AND ANSWERS 2025

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CHEMISTRY 120: EXAM 2 EXAM WITH CORRECT QUESTIONS AND ANSWERS 2025

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CHEMISTRY 120: EXAM 2 EXAM WITH
CORRECT QUESTIONS AND ANSWERS
2025

 Solution= - CORRECT-ANSWERSSolute + Solvent

 Express the amount of solute present in a given amount of solvent as.. - CORRECT-

ANSWERSconcentration

 A common concentration unit is.. - CORRECT-ANSWERSMolarity (M)

 Molarity= - CORRECT-ANSWERSMoles of solute/ Liter of solution

 175 g MgCl2 (Molar mass= 95.31 g/mol) are dissolved in 850.0 mL H2O.

 What is the molarity of the MgCl2?

 What is the molarity of the Cl- ion? - CORRECT-ANSWERS

 Dilution: - CORRECT-ANSWERSsometimes solutions must be diluted in order to obtain

a concentration which is useful in lab.

 What is the equation used for dilution? - CORRECT-ANSWERSM1V1=M2V2

 25.0 mL of 12.1 M HCL is diluted to 500.0 mL. Calculate the final M.



 How many mL of a 15.9 M HNO3 solution are required to prepare 2.00 L of a 6.00 M

HNO3 solution? - CORRECT-ANSWERS

 A student has 50.0 mL of a 1.40 M CuSO4 solution. How much water must be aded in

order to prepare a 0.200 M CuSO4 solution? - CORRECT-ANSWERS

 100.0 mL of 6.0 M HCL are added to 50.00 mL of 3.0 M HCl. What is the molarity of

the resulting solution? - CORRECT-ANSWERS

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  • chemistry 120 exam 2 exam with correct questions
  • solution correct answerssolute solvent
  • express the amount of solute present in a given
  • a common concentration unit is correct answe

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