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Question 1 of 5
1. Question
Question 1:
According to the information provided, the density of Solution 3 (in g/mL) in Experiment 1 is closest to:
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Question 2 of 5
2. Question
Question 2:
Where the students live, the lowest temperature during the winter is -19 C. Based on the results of Experiment 3, which solution should road workers spray on highways to ensure that no ice forms?
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Question 3 of 5
3. Question
Question 3:
Based on Figure 1, if the students had repeated the procedure described in Experiment 2 using a solution containing 60% NaCl by mass, the expected boiling point would have been
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Question 4 of 5
4. Question
Question 4:
Based on Experiment 1, the density of 10mL of which of the following solutions would have been the greatest?
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Question 5 of 5
5. Question
Question 5:
The students repeated Experiment 3 using a solution containing 70% NaCl. They did not note the formation of any ice crystals. Which of the following explanations best explains this observation?
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