CHEM LAB QUIZ FINAL REVIEW

# CHEM LAB QUIZ FINAL REVIEW - One milliliter(ml is...

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One milliliter (ml) is equivalent to ______ liter. Student Response Feedback A. . 001 B. 10 C. 1000 D. 10 6 Score: 10/10 A student analyzed an antacid tablet from a bottle containing 179 tablets purchased for \$2.07. The mass of the tablet was 1.247 grams. What is the cost of one antacid tablet in cents/tablet? Student Response Answer: 1.15 cents/tablet 10/10 To the correct number of significant figures, what is the density in grams/milliliter of a cube of lead 1.2 cm on a side that has a mass of 19.5 grams. Student Response Feedback A. 11 g/ml B. 11.3 g/ml C. 16 g/ml D. 16.2 g/ml Score: 0/10 One kilometer (km) is equilvalent to ______ meter. Student Response Feedback A. 0.001 B. 10 C. 1000 D. 10 6 Score: 10/10

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The mass of a weigh-boat is 1.429 grams. The mass of a weigh-boat containing a sample of iron is 16.359 grams. To the correct number of significant figures, what is the mass of the sample of iron? Student Response Feedback A. 17.788 g B. 17.79 g C. 14.930 g D. 14.93 g Score: 10/10 True or false? Once you have finished with the lab experiment, it is OK to take your safety glasses off while you wash up your glassware. Student Response Feedback A. True B. False This is the correct answer; your safety glasses are to be worn until you are walking out of lab at the end of class. C. True, but only after you have correctly disposed of all chemicals Score: 10/10 A student back-titrated the excess HCl with 37.77 milliliters of 0.485 M NaOH solution to a blue endpoint with bromophenol blue. How many moles of NaOH were added during the back titration? Student Response Answer: 0.0183 mole NaOH Score: 9/9 If you recover 1.8 grams of copper from a reaction where you started with 5.00 grams of copper(II) chloride and an excess of aluminum, what is your percent yield of copper? Student Response Feedback A. 36% B. 76% C. 3.7% D. .76% E. Not enough information is given to make this calculation. Score: 8/8
What is the volume in cubic meters (m 3 ) of a box that is 152 cm tall, 493 cm wide, and 1284 cm long? Student Response

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CHEM LAB QUIZ FINAL REVIEW - One milliliter(ml is...

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