How many moles of helium atoms are there in 2.4x1024 helium atoms?
A)2.4x10^24 mol
B)4.0 mol
C) 6 mol

Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2: