Calculate the concentration (m) of sodium ions in a solution made by diluting 50. 0 ml of a 0. 874 m solution of sodium sulfide to a total volume of 250. 0 ml.

What must students do with the 10 gird-ins on the math section of the psat

Jasmine thinks that andrea is responsible for posting embarrassing pictures of her on the internet and sending them around the school. jasmine finds andrea before school and starts yelling at her about taking the pictures down. andrea pushes jasmine. what should jasmine do first?

Suppose you live in location a, a part of the united states with a semiarid climate . you travel to location b, which is in a neighboring area . there you would find a humid continental climate. in which direction is location b likely to be , relative to location a? what is an explanation for the difference