Homework Help is Here – Start Your Trial Now!
Science
Chemistry
Are these equations right? The work on the top page of the second picture, came from the second problem.

Are these equations right? The work on the top page of the second picture, came from the second problem.

Introductory Chemistry For Today
Introductory Chemistry For Today
8th Edition
ISBN:9781285644561
Author:Seager
Publisher:Seager
Chapter7: Solutions And Colloids
Section: Chapter Questions
Problem 7.18E
See similar textbooks
icon
Related questions
Question
Are these equations right? The work on the top page of the second picture, came from the second problem.
Vocabulary: SOLUTIONS, MIXTURES AND CONCENTRATION REVIEW GUIDE CHEMISTRY Hydrogen Bonding? Solvent-soute dissolves and becomes Substance Supersaturated-increase concetration beyond satination Unsaturated-<ss amon't of sollte esinded Molality part solution to total Colligative Properties depend on PRACTICE: Molecules mole from Equations to Use: Molarity = moles Liter M₁V₁=M₂V₂ ATK m n (for freezing or boiling point changes) %mass = grams solute Grams solution Molality = kilograms Liter the concetration of solut but not identity Mol of solute Ky or solvent higher concetration to lower e once tration - Solute - Substance dissolved - end product Solution Saturated mat amount of soluk for golvent - Molarity-outerper Lolution conce of cetration - Mass Percent Students are responsible for all unit conversions, including metric unit conversions. 1,36M .10M 1. Determine how many moles of potassium dichromate (K₂Cr₂O₂) are required to make 250 mL of a 0.10 M solution. 10 Mx I mui 298,1818 25 H 7.35 M 299.1818 250MLX 1000 X X 2. If 220mL of a 12.0M HCI solution is diluted to 1000mL, what will be the concentration of the new solution?
Transcribed Image Text:Vocabulary: SOLUTIONS, MIXTURES AND CONCENTRATION REVIEW GUIDE CHEMISTRY Hydrogen Bonding? Solvent-soute dissolves and becomes Substance Supersaturated-increase concetration beyond satination Unsaturated-<ss amon't of sollte esinded Molality part solution to total Colligative Properties depend on PRACTICE: Molecules mole from Equations to Use: Molarity = moles Liter M₁V₁=M₂V₂ ATK m n (for freezing or boiling point changes) %mass = grams solute Grams solution Molality = kilograms Liter the concetration of solut but not identity Mol of solute Ky or solvent higher concetration to lower e once tration - Solute - Substance dissolved - end product Solution Saturated mat amount of soluk for golvent - Molarity-outerper Lolution conce of cetration - Mass Percent Students are responsible for all unit conversions, including metric unit conversions. 1,36M .10M 1. Determine how many moles of potassium dichromate (K₂Cr₂O₂) are required to make 250 mL of a 0.10 M solution. 10 Mx I mui 298,1818 25 H 7.35 M 299.1818 250MLX 1000 X X 2. If 220mL of a 12.0M HCI solution is diluted to 1000mL, what will be the concentration of the new solution?
(12.0 MIC1000ML) = 220 M. L 220 mL) 3. How many grams of methanol (CH3OH) are needed to make 10 L of aqueous 4.0M methanol solution? 4.0 x 4.0 M 10L grams solute grams solution 2zd concetration = 54.54 M 99 700 4. What is the mass % of a solution made by mixing 75 mL of ethanol with water to produce a total volume of 500 mL? Hint: Start by looking up the densities of ethanol and water. 947 07829 •4 grams 99700 75 1.786 + 500 x 100 54199.3.1. 1.786
Transcribed Image Text:(12.0 MIC1000ML) = 220 M. L 220 mL) 3. How many grams of methanol (CH3OH) are needed to make 10 L of aqueous 4.0M methanol solution? 4.0 x 4.0 M 10L grams solute grams solution 2zd concetration = 54.54 M 99 700 4. What is the mass % of a solution made by mixing 75 mL of ethanol with water to produce a total volume of 500 mL? Hint: Start by looking up the densities of ethanol and water. 947 07829 •4 grams 99700 75 1.786 + 500 x 100 54199.3.1. 1.786
Expert Solution
steps

Step by step

Solved in 7 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Techniques and Applications of Quantum Theory
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Introductory Chemistry For Today
Introductory Chemistry For Today
Chemistry
ISBN:
9781285644561
Author:
Seager
Publisher:
Cengage
SEE MORE TEXTBOOKS