Answer:
B. 9
Explanation:
The formula of the compound is given as:
9NaCl
Coefficient is the number before the compound. The compound here is made up of sodium and chlorine.
Therefore, we have 9 as the coefficient and it is 9 moles of NaCl.
- The compound have 1 atoms of Na
- Also 1 atom of Cl
Note, NaCl is an ionic compound.
Melting glaciers alters the ocean
Imma go with C on my opinion because Earth is the only one with an atmosphere
I think the answer is A.
A. the speed of the walkway multiplied by the speed at which she is walking
The speed she is walking accelerates her speed by the base speed of the walkway.
