How many grams of KNO3 are needed to make 250. ml
solution that is 0.135 M?

1. and 2. question: in which equation? or i don't understand you, 3. a), 4. c), 5. c), 6. b), 7. d), 8. d) if small number is underlined(behind symbol) , b) if big number is underlined(in front of symbol)9. what is underlined there? 10. c)

Both models are effective because they show the valence electrons, and these valence electrons indicate the reactivity of an element.

The correct answer is "false"

Answer; carbon monoxide (co);