Answer:
It is letter B.
Explanation:
believe my answer cause I answered this kind of question in ny exam
Answer:
by heart beat camel lives
B. is the right option. hope it will help you!
Answer:
C. 0.04 moles per cubic decimeter.
Explanation:
The molar mass of the Iodine is 253.809 grams per mole and a cubic decimeter equals 1000 cubic centimeters. The concentration of Iodine (), measured in moles per cubic decimeter, can be determined by the following formula:
(1)
Where:
- Mass of iodine, measured in grams.
- Molar mass of iodine, measured in grams per mol.
- Volume of solution, measured in cubic decimeters.
If we know that , and , then the concentration of iodine in a solution is:
Hence, the correct answer is C.