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Calculate the moles of Cl atoms in 0.00634 g of C2H4Cl2.
I’m scientific notation

Sagot :

Answer:1.28 x10^-4

Explanation:

Convert 0.00634 grams C2H4Cl2 to moles by dividing grams by the molar mass.

0.00735g(1 mole C2H4Cl2/98.96g)= 6.406 x10^-5

Notice how grams cancel out leaving moles of C2H4Cl2.

Now multiply by the molar ratio of CL to C2H4Cl2,

(2 moles Cl/1 mole C2H4Cl2).

C2H4Cl2 cancels out, leaving moles of Cl.

2(6.406 x10^-5)= 1.28 x10^-4.

The equation as a whole....

0.00634g C2H4Cl2(1 MOLE C2H4Cl2) (      2 moles Cl    )

                                   (          98.96 g       ) (1 mole C2H4Cl2)=1.28 x10^-4

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