Question
1. The total number of atoms in 1.67 moles of Fe(CO) 3 (PH 3 ) 2 is ________. Report your number in scientific notation (complete
1. The total number of atoms in 1.67 moles of Fe(CO)3(PH3)2 is ________. Report your number in scientific notation (complete with sign) and to two decimal places. For example 1000 would be reported as 1.00e+3 and 0.001 would be 1.00e-3.
2. How many oxygen atoms are contained in 9.72 grams of Al2(SO4)3? Report your number in scientific notation (complete with sign) and to two decimal places. For example 1000 would be reported as 1.00e+3 and 0.001 would be 1.00e-3.
3. A sample of iron contains 5.318 moles of Fe. Calculate the number of iron atoms in the sample. Report your number in scientific notation (complete with sign) and to three decimal places. For example 1000 would be reported as 1.000e+3 and 0.001 would be 1.000e-3.
4. Calculate the formula mass of the following hydrated compound: K2SO35H2O Report your answer to 5 significant figures.
5. How many hydrogens would be found in the fictional compound (XH6)4TQH7
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Physical Chemistry
Authors: Thomas Engel, Philip Reid
3rd edition
805338423, 080533842X, 978-0321812001
