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Calculations Based on Chemical Formulas (Section 6-5) 6-29 Determine the number of atoms present in 20.0 g! samples of each o
6-31 Determine the mass, in grams, of each of the following quantities of substance. a. 6.02 x 102 copper atoms b. 3.01 x 102
d. 1 silver atom 6-33 Determine the number of moles of substance present in each of the following quantities. a. 10.0 g He b.
c. 3.000 d. 1.50 moles O, molecules 46-39 Select the quantity that contains the greater number of atoms in each of the follow
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Answer #1

* Basic Formule for this type of cuestions? o n= wt (wt. in gms) (moles) MW (moleculeg weight) no. of atoms = nx 6.023 x 10 26-29) Giren - south weight = googgen Sind - no. of atoms a? @ Be Mowa 9 .012 g/mol no of atoms a est x 6.023 x 1023 9.012 Aob) 3.01 x Copper 1023 minst Copper ators 63.546 genhede wt (am) = 3.0181022 x 63.546 6.023 x 1023 2 31.75 que * Note: other C

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