Students measured the concentration of H1H1 in a solution by titrating with different indicators to find the
Question:
Students measured the concentration of HС1HС1 in a solution by titrating with different indicators to find the end point.
Is the difference between indicators A and B significant at the 95%95% confidence level? Answer the same question for indicators B and C.
Transcribed Image Text:
Indicator A. Bromothymol blue B. Methyl red C. Bromocresol green Mean HCIHCl concentration (M) (standard deviation) on)(±standardâ€leviation) 0.095 65 0.002 250.095 65 +0.002 25 0.086 86+0.000 980.086 86 +0.000 98 0.086 41 0.001 130.086 41 +0.001 13 Number of measurements 2828 1818 2929
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Related Book For
Quantitative Chemical Analysis
ISBN: 9781319164300
10th Edition
Authors: Daniel C. Harris, Charles A. Lucy
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