Balance the following equation. then determine the mole ratio of ca(oh)2: al(oh)3.
al2(so4)3 + ca(oh)2 al(oh)3 + caso4?
a) 2: 3
b) 3: 2
c) 1: 2
d) 3: 3
e) 1: 1

Iknow the answer is a but i don't know why

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

What is the polyatamic ion of thiosulfate