Section IV: Conclusions How do the data support your claim above?

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

Select the correct location on the image identify the element that humans need to breathe. 2015 er r ights reserved

Describe the properties of sodium, chlorine, and sodium chloride