How many moles are in 9.0 x 10^32 atoms of Nitrogen?

Determine the reaction and balance the following equations urgent due in the morning

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver

Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature