All GED Science Resources
Example Questions
Example Question #12 : Ged Science
A student is asked to make
of NaCl solution. The student is given a stock solution of NaCl. What volumes of stock NaCl solution and pure water could be used to make the desired final solution?
Possible Answers:
Correct answer:
Explanation:
Convert liters to mL:
This is the TOTAL volume of the solution. Next, determine how much NaCl to add.
Therefore,
of stock NaCl must be added. Subtract this volume from to determine the amount of water used in the final solution.
Example Question #13 : Ged Science
6g of sugar is dissolved in 250mL of water. What is the percent concentration of sugar in mass per unit volume?
Possible Answers:
Correct answer:
Explanation:
Concentration can be measured in a variety of ways. To find the percent mass per unit volume, we must divide the mass of solute by the volume of solvent and multiply by 100%.
We know our mass is 6g and our volume is 250mL. Use these values in the equation to find the concentration.
All GED Science Resources
Popular Subjects
SAT Tutors in Los Angeles, French Tutors in Houston, ISEE Tutors in Houston, GRE Tutors in Dallas Fort Worth, LSAT Tutors in Atlanta, Math Tutors in Houston, MCAT Tutors in Denver, Calculus Tutors in Seattle, Algebra Tutors in Houston, Physics Tutors in Atlanta
Popular Courses & Classes
ACT Courses & Classes in San Diego, LSAT Courses & Classes in Denver, Spanish Courses & Classes in Washington DC, ISEE Courses & Classes in San Francisco-Bay Area, GMAT Courses & Classes in Dallas Fort Worth, SAT Courses & Classes in Miami, SAT Courses & Classes in Boston, LSAT Courses & Classes in Atlanta, GMAT Courses & Classes in San Francisco-Bay Area, GRE Courses & Classes in Houston
Popular Test Prep
GMAT Test Prep in Los Angeles, ACT Test Prep in Phoenix, GMAT Test Prep in Dallas Fort Worth, ACT Test Prep in San Diego, MCAT Test Prep in San Francisco-Bay Area, MCAT Test Prep in Seattle, SAT Test Prep in Washington DC, MCAT Test Prep in New York City, SAT Test Prep in Boston, SAT Test Prep in Seattle
