Explain how adaptations such as internal structures and external features of organisms have enhanced their survival.

Draw the lewis dot structure for each of the following polyatomic ions

Calculate the molarity of each aqueous solution: a. 78.0 ml of 0.240 m naoh diluted to 0.250 l with water b. 38.5 ml of 1.2 m hno3 diluted to 0.130 l with water

Calculate the number of grams of sodium in 3.00 g of each sodium-containing food additive.