091012 Chemistry Homemade Worksheet

091012 Chemistry Homemade Worksheet - 15 2.75 molecules of...

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Species Element Mass Number Protons Neutrons Electrons 13 C Carbon 13 6 7 6 Lithium 6 12 12 Chlorine 18 10 9 108 Ag Iron 55 63 29 16 16 1 H 39 19 Species Element Mass Number Protons Neutrons Electrons Charge 27 Al 3+ Aluminum 27 13 14 10 3 (+) 31 16 3 (-) 58 28 2 (+) 74 54 1 (-) Nitrogen 14 3 (-) Barium 137 2 (+) 65 Zn 2+ 16 18 2 (-) 40 Ca 2+
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Grams Moles Atoms 1. Carbon Molecule 2. 3.50 mol Cu 3. 11.9 g Al 4. 3.01 x 10 23 atoms of Ag 5. 1.20 x 10 8 atoms of Cu 6. 2.25 mol of Fe 7. 0.375 mol of K 8. 0.0135 mol of Na 9. 16.3 mol of Ni 10. 5.00 g Ca 11. 3.60 x 10^-5 Au 12. 0.535 g of Zn 13. 1.50 x 10^12 atoms of Pb 14. 2500 atoms of Sn
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Unformatted text preview: 15. 2.75 molecules of Al Answers: For some it was unnecessary to solve for one thing. 1. 1.994 x 10-23 g 2. 222 g Cu 3. 0.441 mol Al 4. 0.500 mol Ag 5. 1.27 x 10^-14 g Cu 6. 126 g Fe 7. 14.7 g of K 8. 0.310 g Na 9. 957 g Ni 10. 0.125 mol Ca 11. 1.83 x 10^-7 mol Au 12. 8.18 x 10^-3 13. 2.49 x 10^-12 mol Pb 14. 4.2 x 10^-21 mol Sn 15. 1.66 x 10^-24 atoms Al...
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091012 Chemistry Homemade Worksheet - 15 2.75 molecules of...

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