How many molecules are in 2.0 grams of
Na2SO4?

Which best explains why an iceberg floats?

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:

If energy was included in a chemical reaction, on which side of the equation would it be written for an endothermic reaction?