The percent composition by mass of magnesium mgbr2 (gram formula mass= 184 grams/mole) is equal

a- 24/184 x 100
b- 160/184 x 100
c- 184/24 x 100
d- 184/160 x 100

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate