CHE 101 Lecture Notes - Lecture 3: Sodium Chloride, Sodium Bicarbonate, Sodium Hydroxide

• School: University at Buffalo
• Department: Chemistry
• Course: CHE 101
• Professor: Atwood Jim

Document Summary

12 g of 12c has 6. 022 x 1023 atoms of 12c. 1 mole of o2 has 6. 022 x 1023 molecules of oxygen. 1 mole of h2o has 6. 022 x 1023 molecules of water b. ii. b. iii. b. iv: mole is also defined by relation to mass c. i. c. ii. 1 mole of 12c = 12 g of 12c. 1 atom of 12c = 12 amu: 1 mole of a compound equals the mass of the compound in grams equal to the d. ii. d. iii. d. iv. 12. 00 g 12c = 1 mole 12c = 6. 022 x 1023 atoms of 12c. 32. 06 g s = 1 mole s = 6. 022 x 1023 atoms of s. 12. 01 g c = 1 mole c = 6. 022 x 1023 atoms of c. 18. 0 g h2o = 1 mole h2o = 6. 0 x 1023 atoms of h2o. 32. 0 g o2 = 1 mole o2 = 6. 0 x 1023 atoms of o2 molecular mass d. i. d. v.