3. Standard white vinegar you can buy in the grocery store is 5% concentration. That means 5% of the liquid vinegar is acetic acid and 95% of the solution is water. In a hardware store, you can buy industrial strength vinegar, which is 30% concentration. This means that 30% of the vinegar is acetic acid, and the remaining 70% is water. Samuel does another experiment, this time with 5% vinegar and 30% vinegar. He sets up two science fair volcanoes (in no particular order), each with the same temperature, mass of baking soda and volume of vinegar. But one volcano uses 5% vinegar and the other volcano uses 30% vinegar. He measures the volume of gas production for the first minute of each reaction, and he records the data below. Volcano # 1 Volume of gas produced (ml.) vs. Time (s) for Volcano #1 Volume of gas produced (mL) Time (s) 60 10 20 30 25 40 38 30 46 50 52 • Volume of gas produced (mL) 40 20 50 60 53 0 20 40 60 80 Time (s) Volcano # 2 Volume of gas produced (ml) vs. Time (s) for Volcano 2 Volume of gas produced (mL) Time 45 40 8 35 30 2 25 n 20 & 15 3 10 10 20 30 10 19 26 33 • Volume of gas produced (ml) 40 50 39 60 45 20 40 60 80 Time (s) b) Which volcano (#1 or #2) is made with the 30% vinegar solution and which is made with the 5% vinegar solution? B I U 曲
3. Standard white vinegar you can buy in the grocery store is 5% concentration. That means 5% of the liquid vinegar is acetic acid and 95% of the solution is water. In a hardware store, you can buy industrial strength vinegar, which is 30% concentration. This means that 30% of the vinegar is acetic acid, and the remaining 70% is water. Samuel does another experiment, this time with 5% vinegar and 30% vinegar. He sets up two science fair volcanoes (in no particular order), each with the same temperature, mass of baking soda and volume of vinegar. But one volcano uses 5% vinegar and the other volcano uses 30% vinegar. He measures the volume of gas production for the first minute of each reaction, and he records the data below. Volcano # 1 Volume of gas produced (ml.) vs. Time (s) for Volcano #1 Volume of gas produced (mL) Time (s) 60 10 20 30 25 40 38 30 46 50 52 • Volume of gas produced (mL) 40 20 50 60 53 0 20 40 60 80 Time (s) Volcano # 2 Volume of gas produced (ml) vs. Time (s) for Volcano 2 Volume of gas produced (mL) Time 45 40 8 35 30 2 25 n 20 & 15 3 10 10 20 30 10 19 26 33 • Volume of gas produced (ml) 40 50 39 60 45 20 40 60 80 Time (s) b) Which volcano (#1 or #2) is made with the 30% vinegar solution and which is made with the 5% vinegar solution? B I U 曲
Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter12: Chirality
Section: Chapter Questions
Problem 10CTQ
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Transcribed Image Text:3. Standard white vinegar you can buy in the grocery store is 5% concentration. That means 5% of the liquid vinegar is acetic acid and 95% of the solution is water. In a hardware store, you can buy industrial
strength vinegar, which is 30% concentration. This means that 30% of the vinegar is acetic acid, and the remaining 70% is water.
Samuel does another experiment, this time with 5% vinegar and 30% vinegar. He sets up two science fair volcanoes (in no particular order), each with the same temperature, mass of baking soda and volume of
vinegar. But one volcano uses 5% vinegar and the other volcano uses 30% vinegar. He measures the volume of gas production for the first minute of each reaction, and he records the data below.
Volcano # 1
Volume of gas
Volume of gas produced (mL) vs. Time (s) for Volcano #1
Time
(s)
produced (mL)
60
E 50
10
25
40
20
38
30
46
30
• Volume of gas
produced (mL)
40
50
50
52
10
60
53
20
40
60
80
Time (s)
Volcano # 2
Volume of gas produced (mL) vs. Time (s) for Volcano #2
Volume of gas
produced (mL)
Time
50
10
10
20
19
30
25
30
26
Volume of gas
produced (mL)
40
33
50
39
60
45
+++++
20
40
60
80
Time (s)
b) Which volcano (#1 or #2) is made with the 30% vinegar solution and which is made with the 5% vinegar solution?
I
Σ
!!!
Volume of gas produced (mL)
Volume of gas produced (mL)
业
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