Multiply the percentage by the mass for both and add them to get 63.545 amu
Idk if it's correct but I guess it's calcite (c)
Answer:
glycerol, pyruvate, glycerol -3-phosphate, dihydroxyacetone phosphate and glucose♡ hope this helps♡
Because the mass is how much of something is in an object, gold and silver can have the same mass but have very different weights.
Hope I helped!