LC Unit 1 In Class problems-1.pdf - Unit 1 In Class Exercises In Class Exercise Atomic Mass The majority of chlorine atoms found in nature are

LC Unit 1 In Class problems-1.pdf - Unit 1 In Class...

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Unformatted text preview: Unit 1 In Class Exercises In Class Exercise: Atomic Mass The majority of chlorine atoms found in nature are 35Cl (75.78%) and 37Cl (24.22%). Calculate the average atomic mass of chlorine. In Class Exercise: Atomic Mass Naturally occurring copper exists in two isotopic forms: 63Cu and 65Cu. What is the approximate natural abundance of 63Cu? In Class Exercise: convert mol to number of atoms How many atoms are contained in 3.75 mol calcium, Ca? In Class Exercise: convert molecules to mass What is the mass of 2.94 x 1029 molecules of nitrogen gas? ...
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