Answer:
C. NaHCO3 → Na2CO3 + H2O + CO2
Explanation:
» For a balanced equation, the number of atoms of reactants and products must be equal.
» In equation C, the reactant side has one sodium atom while ptoduct side has 2 sodium atoms.
» The balanced equations mus be;

Answer:
H-CL
Explanation:
Hydrochloric acidis an acid wiith a diatomic molecule, consisting of a hydrogen atom H and a chlorine atom Cl connected by a polar covalent bond
<em>Isn't that going to be an D since 1 foot is equal 12 inches.</em>
<span>One mol of NaCl (6.02 x1023 formulas) has a mass of 58.44 g. Concept 2. The relation between molecular (formula) mass and molar mass. To obtain one mole of copper atoms (6.02 x 1023 atoms), weigh out 63.55 g copper.</span>