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15-01-2021
Chemistry

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What is the coefficient for this formula? 9 NaCl2 A. 11 B. 9 C. 2 D. 1

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quasarJose quasarJose

16-01-2021

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.

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