You have 50 ml of a 0.50 M KOH solution, if I dilute it with enough water to make the final volume 350 ml what is the Molarity of the New KOH solution?

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.

What is the solubility of substance?

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?