P. E
I. Answer the cross-word puzzle 1.a stroke to reply the service 2. 3. 4. EF 5. Across 2. a stock wherein the racket positioned slightly vertical. 4. a stroke wherein the racket is moved forward and upward at an angle 5. a stroke to start a rally. Down 1. A stroke to reply the service. 2. A short stroke.​
Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2