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How many moles of Ca are 3 . 01 x 10 23 atoms of calcium?

How many moles of Ca are 3 . 01 x 10 23 atoms of calcium?. 6.1. 3 . 01 mol 1 . 81 x 10 47 mol 1 . 00 mol 0 . 500 mol 3 . 01 x 10 23 mol. How many moles of Ca are 3 . 01 x 10 23 atoms of calcium?. 6.1. 3 . 01 mol 1 . 81 x 10 47 mol 1 . 00 mol 0 . 500 mol

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How many moles of Ca are 3 . 01 x 10 23 atoms of calcium?

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  1. How many moles of Ca are 3.01 x 1023atoms of calcium? 6.1 3.01 mol 1.81 x 1047 mol 1.00 mol 0.500 mol 3.01 x 1023 mol

  2. How many moles of Ca are 3.01 x 1023atoms of calcium? 6.1 3.01 mol 1.81 x 1047 mol 1.00 mol 0.500 mol 3.01 x 1023 mol

  3. Which of the following statements is correct? 6.2 1 mol of C = 12.01 amu 1 mol of C = 12.01 g 1 mol of C = 6.022 x 1023 atoms Two of the above All of the above

  4. Which of the following statements is correct? 6.2 1 mol of C = 12.01 amu 1 mol of C = 12.01 g 1 mol of C = 6.022 x 1023 atoms Two of the above All of the above

  5. How many grams are in 1.000 mol of iron? 6.3 1.000 g 6.022 x 1023 g 0.01791 g 26.00 g 55.85 g

  6. How many grams are in 1.000 mol of iron? 6.3 1.000 g 6.022 x 1023 g 0.01791 g 26.00 g 55.85 g

  7. What is the formula mass of ammonium nitrate? 6.4 112.12 amu 80.06 amu 66.04 amu 114.00 amu 95.23 amu

  8. What is the formula mass of ammonium nitrate? 6.4 112.12 amu 80.06 amu 66.04 amu 114.00 amu 95.23 amu

  9. How many moles of Pt are in a 455 mg ring of pure platinum? 6.5 2.33 mol 2.33 x 103 mol 2.33 x 10-3 mol 8.88 x 104 mol 88.8 mol

  10. How many moles of Pt are in a 455 mg ring of pure platinum? 6.5 2.33 mol 2.33 x 103 mol 2.33 x 10-3 mol 8.88 x 104 mol 88.8 mol

  11. What is the mass of 4.55 x 1023 copper atoms? 6.6 4.55 g 1.74 x 1049 g 63.6 g 6.02 x 1023 g 48.0 g

  12. What is the mass of 4.55 x 1023 copper atoms? 6.6 4.55 g 1.74 x 1049 g 63.6 g 6.02 x 1023 g 48.0 g

  13. How many moles of formula units are in 5.67 g of iron(III) sulfate? 6.7 3.73 x 10-2 mol 2.15 x 10-2 mol 2.27 x 10-3 mol 5.67 x 10-3 mol 1.42 x 10-2 mol

  14. How many moles of formula units are in 5.67 g of iron(III) sulfate? 6.7 3.73 x 10-2 mol 2.15 x 10-2 mol 2.27 x 10-3 mol 5.67 x 10-3 mol 1.42 x 10-2 mol

  15. How many carbon atoms are in 2.56 μg of graphite (pure carbon)? 6.8 1.28 x 1017 atoms 2.45 x 1022 atoms 2.95 x 1022 atoms 2.56 x 1021 atoms 6.02 x 1023 atoms

  16. How many carbon atoms are in 2.56 μg of graphite (pure carbon)? 6.8 1.28 x 1017 atoms 2.45 x 1022 atoms 2.95 x 1022 atoms 2.56 x 1021 atoms 6.02 x 1023 atoms

  17. How many moles of formula units are in 5.6 g of lithium nitride? 6.9 0.27 mol 0.20 mol 0.16 mol 0.56 mol 2.0 x 102 mol

  18. How many moles of formula units are in 5.6 g of lithium nitride? 6.9 0.27 mol 0.20 mol 0.16 mol 0.56 mol 2.0 x 102 mol

  19. How many formula units are in 2.45 g of chalk (calcium carbonate)? 6.10 2.45 x 1022 formula units 1.47 x 1022 formula units 2.95 x 1022 formula units 1.47 x 1021 formula units 6.02 x 1023 formula units

  20. How many formula units are in 2.45 g of chalk (calcium carbonate)? 6.10 2.45 x 1022 formula units 1.47 x 1022 formula units 2.95 x 1022 formula units 1.47 x 1021 formula units 6.02 x 1023 formula units

  21. How many moles of oxygen are in 3.45 mol of diphosphorus pentoxide? 6.11 6.90 mol O 3.45 mol O 5.75 mol O 13.5 mol O 17.3 mol O

  22. How many moles of oxygen are in 3.45 mol of diphosphorus pentoxide? 6.11 6.90 mol O 3.45 mol O 5.75 mol O 13.5 mol O 17.3 mol O

  23. How many grams of oxygen are in 40.1 g of calcium hydroxide? 6.12 8.64 g 20.1 g 17.3 g 11.2 g 0.541 g

  24. How many grams of oxygen are in 40.1 g of calcium hydroxide? 6.12 8.64 g 20.1 g 17.3 g 11.2 g 0.541 g

  25. How many molecules are there in 5.50 mL of ethanol (C2H5OH)? (Note: dethanol = 0.789 g/cm3.) 6.13 5.67 x 1022 molecules 7.19 x 1022 molecules 6.02 x 1023 molecules 5.50 x 1023 molecules 3.31 x 1024 molecules

  26. How many molecules are there in 5.50 mL of ethanol (C2H5OH)? (Note: dethanol = 0.789 g/cm3.) 6.13 5.67 x 1022 molecules 7.19 x 1022 molecules 6.02 x 1023 molecules 5.50 x 1023 molecules 3.31 x 1024 molecules

  27. What is the mass of 5.66 mol of dinitrogen tetrahydride? 6.14 90.7 g 0.177 g 5.66 g 181 g 0.353 g

  28. What is the mass of 5.66 mol of dinitrogen tetrahydride? 6.14 90.7 g 0.177 g 5.66 g 181 g 0.353 g

  29. How many moles of molecules are in 1.29 g of liquid bromine? 6.15 0.00807 mol 0.0161 mol 1.29 mol 103 mol 206 mol

  30. How many moles of molecules are in 1.29 g of liquid bromine? 6.15 0.00807 mol 0.0161 mol 1.29 mol 103 mol 206 mol

  31. What is the mass of 4.57 x 1021molecules of ammonia? 6.16 0.457 g 4.57 g 0.129 g 0.137 g 0.00759 g

  32. What is the mass of 4.57 x 1021molecules of ammonia? 6.16 0.457 g 4.57 g 0.129 g 0.137 g 0.00759 g

  33. How many moles of sodium are in 5.29 x 1022 formula units of sodium sulfate? 6.17 2 mol 0.0878 mol 0.00878 mol 1.06 x 1023 mol 0.176 mol

  34. How many moles of sodium are in 5.29 x 1022 formula units of sodium sulfate? 6.17 2 mol 0.0878 mol 0.00878 mol 1.06 x 1023 mol 0.176 mol

  35. How many moles of oxygen are in one mole of aluminum carbonate? 6.18 1 mol O 3 mol O 6 mol O 9 mol O 12 mol O

  36. How many moles of oxygen are in one mole of aluminum carbonate? 6.18 1 mol O 3 mol O 6 mol O 9 mol O 12 mol O

  37. An unknown compound has a molar mass of 118.10 g/mol. Given the following mass percent composition: 40.7% C, 5.13% H, and 54.2% O, calculate the empirical and molecular formula, respectively. 6.19 CH1.5O and C2H3O2 C3H5O3 and C6H10O6 C4H6O4 and C8H12O8 C4H6O4 and C2H3O2 C2H3O2 and C4H6O4

  38. An unknown compound has a molar mass of 118.10 g/mol. Given the following mass percent composition: 40.7% C, 5.13% H, and 54.2% O, calculate the empirical and molecular formula, respectively. 6.19 CH1.5O and C2H3O2 C3H5O3 and C6H10O6 C4H6O4 and C8H12O8 C4H6O4 and C2H3O2 C2H3O2 and C4H6O4

  39. What is the molar mass of sucrose, C12H22O11? 6.20 380.3 g/mol 182.3 g/mol 342.3 g/mol 129.0 g/mol 145.5 g/mol

  40. What is the molar mass of sucrose, C12H22O11? 6.20 380.3 g/mol 182.3 g/mol 342.3 g/mol 129.0 g/mol 145.5 g/mol

  41. What is the mass percent of oxygen in caffeine, C8H10N4O2? 6.21 8.23 % 16.5 % 28.9 % 5.21 % 49.5 %

  42. What is the mass percent of oxygen in caffeine, C8H10N4O2? 6.21 8.23 % 16.5 % 28.9 % 5.21 % 49.5 %

  43. What is the empirical formula of ascorbic acid, C6H8O6, a compound found in citrus fruits? 6.22 C6H8O6 C4H4O4 C3H4O3 CHO CH2O

  44. What is the empirical formula of ascorbic acid, C6H8O6, a compound found in citrus fruits? 6.22 C6H8O6 C4H4O4 C3H4O3 CHO CH2O

  45. Identify the diatomic molecule that has a mass of 33.86 g and contains 0.891 moles of molecules. 6.23 H2 N2 O2 F2 Cl2

  46. Identify the diatomic molecule that has a mass of 33.86 g and contains 0.891 moles of molecules. 6.23 H2 N2 O2 F2 Cl2

  47. Calculate the empirical formula of a 5.85 g oxide sample of chromium containing 4.00 g of chromium. 6.24 Cr2O7 Cr2O4 CrO CrO1.5 Cr2O3

  48. Calculate the empirical formula of a 5.85 g oxide sample of chromium containing 4.00 g of chromium. 6.24 Cr2O7 Cr2O4 CrO CrO1.5 Cr2O3

  49. What is the empirical formula of a compound that contains 14.5% hydrogen and 85.5% carbon by mass? 6.25 CH CH2 C2H C2H3 CH3

  50. What is the empirical formula of a compound that contains 14.5% hydrogen and 85.5% carbon by mass? 6.25 CH CH2 C2H C2H3 CH3

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