Determine the limiting and excess reactant if 100 g of calcium carbonate and 45 g of iron (iii) phosphate. also determine the mass of each product that should be formed.

3

explanation:

the answer is c i believe

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

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