2)soil it's soil because soil is made out of <span>weathered rock and organic matter</span>
Answer:
The mass of the reactants equals the mass of the products.
The molar mass, in grams, of a mole for an element is equal to the atomic weight if the element.
Answer:
One mole is defined as the amount of substance containing as many elementary entities (atoms, molecules, ions, electrons, radicals, etc.) as there are atoms in 12 grams of carbon-12 (6.023 x 1023). The mass of one mole of a substance equals its relative molecular mass expressed in grams. Also spelled as mol.