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Read about the experimental design(attached below) and the evidence as provided in the Observations table to answer the following Analysis Questions: a) What is the significance of a zero mass reading for some substances and negative mass reading for other substances? Sample compound CaSO₂.2H₂ 0 Observations Data Table 1 Reductions in scale reading compared to unpaired electrons in metal ion MnSO₁.H₂ O FeSO4.7H₂ O NiSO4.7H₂ 0 CuSO4.5H₂ O FeCl₂.6H₂ O b) How does this change in mass relate to the paramagnetic strength of the substance?

Read about the experimental design(attached below) and the evidence as provided in the Observations table to answer the following Analysis Questions: a) What is the significance of a zero mass reading for some substances and negative mass reading for other substances? Sample compound CaSO₂.2H₂ 0 Observations Data Table 1 Reductions in scale reading compared to unpaired electrons in metal ion MnSO₁.H₂ O FeSO4.7H₂ O NiSO4.7H₂ 0 CuSO4.5H₂ O FeCl₂.6H₂ O b) How does this change in mass relate to the paramagnetic strength of the substance?

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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Read about the experimental design(attached below) and the evidence as provided in the Observations table to answer the following Analysis Questions:
a) What is the significance of a zero mass reading for some substances and negative mass reading for other substances? Sample compound CaSO₂.2H₂ 0 Observations Data Table 1 Reductions in scale reading compared to unpaired electrons in metal ion MnSO₁.H₂ O FeSO4.7H₂ O NiSO4.7H₂ 0 CuSO4.5H₂ O FeCl₂.6H₂ O
b) How does this change in mass relate to the paramagnetic strength of the substance?
 
LAB EXERCISE 3.6.1 Quantitative Paramagnetism In Investigation 3.5.1, you obtained some preliminary evi- dence for a possible connection between unpaired electrons (as determined by the electron configuration) and paramag- netism. The purpose of this lab exercise is to test this hypoth- esis with a quantitative experiment. Question What effect does the number of unpaired electrons have on the strength of the paramagnetism of metal salts? Prediction/Hypothesis (a) Write a prediction and provide your reasoning based on electron configurations. Experimental Design A sensitive electronic balance is used to measure the attrac- tion between a powerful magnet and a test tube containing a metal salt. The balance is tared (zeroed) before the test tube is lowered (Figure 4). The mass reading is taken just before contact of the test tube with the magnet. Several ionic paper. clamp paramagnetic substance. neodymium magnets. wooden block electronic balance test tube H Inquiry Skills O Questioning O Hypothesizing O Predicting O Planning O Conducting O Recording compounds containing different metal ions are individually tested using the same mass of each compound. ● Analyzing ● Evaluating O Communicating (b) Identify the independent, dependent, and controlled variables. CuSO4.5H₂O(s) NiSO4.7H₂O(s) CoCl₂-6H₂O(s) FeSO4.7H₂20 (s) Evidence Table 1: Change in Mass in a Strong Magnetic Field Ionic compound Mass reading, Am (g) 0.00 CaSO4(s) Al₂(SO4)3(s) 0.00 CuCl(s) 0.00 -0.09 -0.22 -0.47 -0.51 -1.26 -0.95 MnSO4 H₂O(s) FeCl3 6H₂O(s) mass of each compound in test tube = 3.00 g Analysis (c) What is the significance of a zero-mass reading for some substances and negative-mass readings for other substances? Figure 4 A strong magnet or magnets (such as neodymium magnets) and a paramagnetic substance attract each other. This means that the magnet and block ora olightly lifted toward
Transcribed Image Text:LAB EXERCISE 3.6.1 Quantitative Paramagnetism In Investigation 3.5.1, you obtained some preliminary evi- dence for a possible connection between unpaired electrons (as determined by the electron configuration) and paramag- netism. The purpose of this lab exercise is to test this hypoth- esis with a quantitative experiment. Question What effect does the number of unpaired electrons have on the strength of the paramagnetism of metal salts? Prediction/Hypothesis (a) Write a prediction and provide your reasoning based on electron configurations. Experimental Design A sensitive electronic balance is used to measure the attrac- tion between a powerful magnet and a test tube containing a metal salt. The balance is tared (zeroed) before the test tube is lowered (Figure 4). The mass reading is taken just before contact of the test tube with the magnet. Several ionic paper. clamp paramagnetic substance. neodymium magnets. wooden block electronic balance test tube H Inquiry Skills O Questioning O Hypothesizing O Predicting O Planning O Conducting O Recording compounds containing different metal ions are individually tested using the same mass of each compound. ● Analyzing ● Evaluating O Communicating (b) Identify the independent, dependent, and controlled variables. CuSO4.5H₂O(s) NiSO4.7H₂O(s) CoCl₂-6H₂O(s) FeSO4.7H₂20 (s) Evidence Table 1: Change in Mass in a Strong Magnetic Field Ionic compound Mass reading, Am (g) 0.00 CaSO4(s) Al₂(SO4)3(s) 0.00 CuCl(s) 0.00 -0.09 -0.22 -0.47 -0.51 -1.26 -0.95 MnSO4 H₂O(s) FeCl3 6H₂O(s) mass of each compound in test tube = 3.00 g Analysis (c) What is the significance of a zero-mass reading for some substances and negative-mass readings for other substances? Figure 4 A strong magnet or magnets (such as neodymium magnets) and a paramagnetic substance attract each other. This means that the magnet and block ora olightly lifted toward
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