2. g/L) + (0.7811)(1.25092 g/L) + (0.00930)X = 1.000(1.29327 g/L) X = 1.78 g/L 3. Argon = 39.948 u M 100 % 0.337 % 0.063 % = 99.600 % – – (0.00337)(35.967545 u)+ (0.00063)(37.96732 u) +(0.99600)X = 39.948 u X = 39.963 u 4. 4.0 m · 5.0 m · 2.4 m · (1 L/1.00 × 10-3 m3) = 4.8 × 104 L 4.8 × 104 L · 1.78 g/L · 1 mol/39.948 g · 6.022 × 1023 atoms/mol = 1.3 × 1027 atoms
2. g/L) + (0.7811)(1.25092 g/L) + (0.00930)X = 1.000(1.29327 g/L) X = 1.78 g/L 3. Argon M = 39.948 u 100 % – 0.337 % – 0.063 % = 99.600 % (0.00337)(35.967545 u)+ (0.00063)(37.96732 u) +(0.99600)X = 39.948 u X = 39.963 u 4. 4.0 m · 5.0 m · 2.4 m · (1 L/1.00 × 10-3 m3) = 4.8 × 104 L 4.8 × 104 L · 1.78 g/L · 1 mol/39.948 g · 6.022 × 1023 atoms/mol = 1.3 × 1027 atoms
Solution-Manual-for-Chemistry-and-Chemical-Reactivity-9th-Edition-by-Kotz.docx