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chem excel lab - tube number 1 2 3 4 5 Molarity of...

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tube number absorbance 1 0 0.92 2 0 0.81 3 0 0.56 4 0 0.3 5 0 0.17 Slope=9887 Y-intercept= .074 Data Set A Mole Fraction of Phenantroline absorbance 0.1 0.07 Molarity * of Ni(NO 3 ) 2 •6H 2 O 0 0 0 0 0 0 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 f(x) = 9887.9x + 0.07 R² = 0.99 Molarity Asorbtion
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0.2 0.17 0.3 0.3 0.4 0.42 0.5 0.51 0.6 0.64 0.7 0.75 0.75 0.8 18 650 28 520 32 490 44 415 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 f(x) = 1.13x - 0.04 R² = 1 Column B Linear Regress for Column B Axis Title Axis Title 400 500 600 700 f(x) = -8.9x + 790.13 R² = 0.95 Molecular Weight (MW), amu
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35.05 43.2 33.5 #DIV/0! 32 32.8 33.5 35 35.1 35.9 36.6 37.6 15 20
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