Answer:a formula giving the number of atoms of each of the elements present in one molecule of a specific compound.
Explanation:
Answer:
2.91
Explanation:
pH=-log(H3O+)
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Answer:
The 2 would be placed in front of the reactant Na and in front of the product NaCl
2Na + Cl2 = 2NaCl
Explanation:
This is because the ratio of elements needs to be balanced on both sides.
On the reactants side, there are 2 Na molecules and 2 Cl molecules
On the products side, there are 2 Na molecules and 2 Cl molecules
So, now the equation is balanced
