49. How many moles are there in 500 g indigo, C16H10N202, a blue dye. c. 1.15 X10E24 mol a. 1.90 mol b. 131000 mol d. 7.89 ×10E28 mol 50. Calculate the number of molecules of a 2.00 g Valium, C15H13CIN20. a. 4.43 ×10E21 b. 8.19 ×10E25 C. 3.28 ×10E26 d. 9.03 ×10E29

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49. How many moles are there in 500 g indigo, C16H10N2O2, a blue dye.
a.
1.90 mol
b. 131000 mol
c. 1.15 X10E24 mol
d. 7.89 ×10E28 mol
50. Calculate the number of molecules of a 2.00 g Valium, C15H13CIN20.
a. 4.43 ×1OE21
b. 8.19 ×10E25
c. 3.28 ×10E26
d. 9.03 X10E29
Transcribed Image Text:49. How many moles are there in 500 g indigo, C16H10N2O2, a blue dye. a. 1.90 mol b. 131000 mol c. 1.15 X10E24 mol d. 7.89 ×10E28 mol 50. Calculate the number of molecules of a 2.00 g Valium, C15H13CIN20. a. 4.43 ×1OE21 b. 8.19 ×10E25 c. 3.28 ×10E26 d. 9.03 X10E29
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