Chemistry, 22.11.2019 13:31, sahaitong814
What are the most common elements in the earths atmosphere
Answers: 2
Chemistry, 23.06.2019 02:50, igraha17
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
Answers: 2
What are the most common elements in the earths atmosphere...
Biology, 18.06.2021 23:00
Mathematics, 18.06.2021 23:00
English, 18.06.2021 23:00
English, 18.06.2021 23:00