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Answer the following problems: There are 15 g of CUNO3 dissolved in 250 mL of water. What is the % by mass of the solution? 1. 2. 3. If you want to make a 500 cm³ solution of 85% ethyl alcohol. How many cm³ of ethyl alcohol are needed? How much water is needed to prepare a 0.77 M AgNO3 if there are 20 g of this nitrate?

Answer the following problems: There are 15 g of CUNO3 dissolved in 250 mL of water. What is the % by mass of the solution? 1. 2. 3. If you want to make a 500 cm³ solution of 85% ethyl alcohol. How many cm³ of ethyl alcohol are needed? How much water is needed to prepare a 0.77 M AgNO3 if there are 20 g of this nitrate?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Answer the following problems: There are 15 g of CUNO3 dissolved in 250 mL of water. What is the % by mass of the solution? 1. 2. 3. 4. 5. 6. 7. If you want to make a 500 cm³ solution of 85% ethyl alcohol. How many cm³ of ethyl alcohol are needed? How much water is needed to prepare a 0.77 M AgNO3 if there are 20 g of this nitrate? Calculate the concentration of 12.00 g FeBr3 in 250 cm³. How many moles are there in a 20 cm³ sample of 4.0 mol/dm³ KCL? Calculate the concentration of 20.0 g NaOH dissolved in 250 cm3 of water. 2.00 grams of MgO was reacted with 250 cm³ excess H₂SO4. Calculate the concentration of MgSO; produced.
Transcribed Image Text:Answer the following problems: There are 15 g of CUNO3 dissolved in 250 mL of water. What is the % by mass of the solution? 1. 2. 3. 4. 5. 6. 7. If you want to make a 500 cm³ solution of 85% ethyl alcohol. How many cm³ of ethyl alcohol are needed? How much water is needed to prepare a 0.77 M AgNO3 if there are 20 g of this nitrate? Calculate the concentration of 12.00 g FeBr3 in 250 cm³. How many moles are there in a 20 cm³ sample of 4.0 mol/dm³ KCL? Calculate the concentration of 20.0 g NaOH dissolved in 250 cm3 of water. 2.00 grams of MgO was reacted with 250 cm³ excess H₂SO4. Calculate the concentration of MgSO; produced.
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