I think B or D because an eye obviously doesn't have a lense, mirror..maybe sorry for not giving u straight forward response
35g Mg x 1mol / 24g = 840 mol
The mass of 100 pills would be 78000 mg and 0.078 kilograms.
Hope this helps you :)
Answer: The correct option is B.
Explanation: To describe the motion of an object, we use the equations of motion.



From the above equations, we require position, speed and direction through which we an calculate the displacement, velocity and acceleration.
To calculate the complete motion of an object, we require all the three factors.
Hence, the correct option is B.
Answer:
just replace the 9 mole with 3.68 g of Al .
I think it will help you.