Question

Look at the following chemical compounds. State how many molecules of each reactant are present. (I’m sorry I’ve been working on this forever please help me)

A. NaOH.

Na___ O____ H____

B. CO2.

C____ O_____

C. 3CaO.

Ca____ O_____

D. 2MgCl2.

Mg ____ Cl____

Answer 1

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Compound ~ $\mathrm{NaOH}$

Na = 1

O = 1

H = 1

Compound ~ $\mathrm{CO_2}$

C = 1

O = 2

Compound ~ $\mathrm{3 \: CaO}$

Ca = 3

O = 3

Compound ~ $\mathrm{2 MgCl_2}$

Mg = 2

Cl = 4