Molar mass K₂SO₄ = 174.259 g/mol



moles
hope this helps!
18 - C.Nitrogen Base (Includes Thymine, Guanine, Adenine,Cytosine)
19 - C.DNA
20 - C. Nucleus (Nucleus is where all the information is stored)
21 - A. Twisted ladder
22 - A. Punnet Square
23 - C. Phenotype (Physical Appearance)
24 - B. Genotype (Genetic Makeup)
25 - Cant do that one, I need a BB acc
26 - B. Hiding behind curly hair trait
And the last one about he flowers I also cant do because I need to log using BB
Depending if the reaction is a reversible or an irreversible one, the direction of the arrow will point in one direction or 2 directions from reactants to products.