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mel-nik [20]
3 years ago
12

Please help me ASAP!!

Mathematics
1 answer:
vodomira [7]3 years ago
4 0

It's A.



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<em><u>A chemist reacted 17.25 grams of sodium metal with an excess amount of chlorine gas. The chemical reaction that occurred is shown.__Na + __ Cl2 → __ NaCl</u></em>

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(9-a+5a)/c (a=6,c=9)
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\frac{9-a+5a}{c} = \frac{9-(6)+5(6)}{(9)}= \frac{3+30}{9} = \frac{33}{9} = \frac{11}{3}
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8! = 8 x 7 x 6 x 5 x 4 x 3 x 2 = 40320.
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