261.162 grams. Use the equation n=M÷Mr.
The answer is A I’m not 100 percent sure tho
The answer is: Plastic
Plastic is the result of the addition polymerization of poly(alkenes). Thus plastic is a synthetic organic material.
Hope it helped!
Answer:
Element Atomic Number Atomic Mass
Nickel 27 58.6934
Cobalt 28 58.9332
Copper 29 63.546
Zinc 30 65.39
Explanation:
No, because 40 miles is the same as nearly 25 km/h.
