2. A solution is made by measuring 50.0 grams of Na3PO, to make 250.0 mL of solution. What is the molarity of Na^+ ions in the solution 3. How many grams of magnesium ion are in 155.0 grams of Mg3P2?
4. What is the volume of 45.0 grams of N2 gas at stp
5. A photon of light has a wavelength of 6.27nm. What is the energy of this photon?

How does federalist, no.10 address the concerns of a strong national government in brutus i? a) the court system would be a representative democracy and the other branches republics. b) representative gov't was the only way to check state power in the national gov't. c) states would be allowed to choose which sort of representation they have at the national level d) the national gov't would be a balance between democracy and republic, thus protecting the rights of citizens.

You are a psychologist who has been asked to write a brief report about the possible causes of anxiety (nervousness, fears, in your report, write up a summary that explains and examines anxiety according to each of the psychological perspectives: psychoanalytic behavioral cognitive humanistic biological sociocultural

The probability of rolling a sum of 7 when rolling two dice simultaneously is 0.167. you decide to test that probability by rolling th dice 12 times. what is the probability that exactly 2 of the rolls is a sum of 7?