A one peso coin has a mass of 6.5 grams. How many grams of copper are in a one peso coin containing 85 percent copper by mass!

Sagot :

Answer:

5.5 or 5.525 grams

Basta yan sagot ko

6.5

6.5+85

91.5

6.5×100

650

91.5×100

9150

9150÷650

14.8%