There are 41.646600000013 grams of barium chloride in 0.200 moles
Answer:
90
Step-by-step explanation:

so after we cut the nessecary we get 90%
Hope this helps you
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Answer:
The answer is D. Hope this helps!
Answer:
The first student is correct
Step-by-step explanation:
With the given information there is already 4 inches on the rectangle. 13 x2 = 26. 26+4=30. For student two if the unknown number was 10 it would not work because the longest side is 3 less then the unknown number. 10-3=7. 7x2=14. 14+4= 28<30