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Answer the following questionsn related to the analysis of CaBr2. a.) A student has a 10.0 g sample of CaBr2. Show the setup of the calculation to determine the number of moles of CaBr2 in the sample. Include units in ththe setup. b.) What number, in addition to the answer to part (a), is needed to determine the number of atoms of Ca in the sample? c.) A different student is given a 10.0 g sample labeled CaBr2 that may contain an inert (nonreacting) impurity. Identify a quantity from the results of laboratory analysis that the student could use to determine whether the sample was pure? d.) Explain why CaCl2, is likely to have properties similar those of CaBr2.

Answer the following questionsn related to the analysis of CaBr2. a.) A student has a 10.0 g sample of CaBr2. Show the setup of the calculation to determine the number of moles of CaBr2 in the sample. Include units in ththe setup. b.) What number, in addition to the answer to part (a), is needed to determine the number of atoms of Ca in the sample? c.) A different student is given a 10.0 g sample labeled CaBr2 that may contain an inert (nonreacting) impurity. Identify a quantity from the results of laboratory analysis that the student could use to determine whether the sample was pure? d.) Explain why CaCl2, is likely to have properties similar those of CaBr2.

Chemistry
Chemistry
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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
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Answer the following questionsn related to the analysis of CaBr2.

a.) A student has a 10.0 g sample of CaBr2. Show the setup of the calculation to determine the number of moles of CaBr2 in the sample. Include units in ththe setup.

b.) What number, in addition to the answer to part (a), is needed to determine the number of atoms of Ca in the sample?

c.) A different student is given a 10.0 g sample labeled CaBr2 that may contain an inert (nonreacting) impurity. Identify a quantity from the results of laboratory analysis that the student could use to determine whether the sample was pure?

d.) Explain why CaCl2, is likely to have properties similar those of CaBr2.

a) A student has a 10.0 g sample of CaBr2. Show the setup of the calculation to determine the number of moles of CaBr, in the sample Inclu calculations.) B IU x X2 5 2 三 Molar mass of CaBr2 199.886 g/mol 1 mole = 6.022 x 10^23 %3D 10.00 g*6.022 x 10423 / 199.886 g/mol just in case - 0.30127 mol D IROO L LE LI (b) What number, in addition to the answer to part (a), is needed to determine the number of atoms of Ca in the sample? ali B IU X X2 5 LTTETOE IF ग 231 TNENT मोस भा भदि टर्ट acer
Transcribed Image Text:a) A student has a 10.0 g sample of CaBr2. Show the setup of the calculation to determine the number of moles of CaBr, in the sample Inclu calculations.) B IU x X2 5 2 三 Molar mass of CaBr2 199.886 g/mol 1 mole = 6.022 x 10^23 %3D 10.00 g*6.022 x 10423 / 199.886 g/mol just in case - 0.30127 mol D IROO L LE LI (b) What number, in addition to the answer to part (a), is needed to determine the number of atoms of Ca in the sample? ali B IU X X2 5 LTTETOE IF ग 231 TNENT मोस भा भदि टर्ट acer
(c) A different student is given a 10.0 g sample labeled CaBr2 that may contain an inert (nonreacting) impurity. Identify a quantity from the res to determine whether the sample was pure. B IUX x X2 5 C 2 三 (d) Explain why CaCl2 is likely to have properties similar to those of CaBr2. B IU X x X2 5 acer II !!
Transcribed Image Text:(c) A different student is given a 10.0 g sample labeled CaBr2 that may contain an inert (nonreacting) impurity. Identify a quantity from the res to determine whether the sample was pure. B IUX x X2 5 C 2 三 (d) Explain why CaCl2 is likely to have properties similar to those of CaBr2. B IU X x X2 5 acer II !!
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