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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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
Transcribed Image Text:Pre-lab question #6-2: Calculate the percent (%) C2042- in Na2C204.
53.0
57.1
65.7
97.8
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- For lab 4, we combined baking soda with vinegar, according to the chemical equation NaHCO 3 + CH 3COOH ==== NaCH 3COO + CO 2 + H 2O Consider 3 experiments: (i) 2g baking soda + 5mL vinegar, (ii) 2g baking soda + 10mL vinegar and (iii) 2g baking soda + 20mL vinegar. The amount of CO 2 produced was highest for (iii) and lowest for (i). For these experiments, which of the following is true? Vinegar ran out first Baking soda ran out first They both ran out at the same time Neither ran outarrow_forwardhelparrow_forwardAnswer to #4 average % yield = 56.41% Answer to #5 average mass of CO2 produced from the unknown in the two trials = .30g CO2 For # 8 the unknown used in the experiment was unknown #2 K2CO3arrow_forward
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