You add 21.00 ml of a 1.50 m solution to a 100 ml volumetric flask and then fill the flask with water to the 100 ml mark. what is the resulting concentration of sodium phosphate in molarity?

Most metamorphosis processes take place

Which subshell is represented by the actinides family?

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ