Question

what is the percent by mask if 8.0g​

Answer 1

Answer:

The mass of copper = 8g

…………………..zinc = (100–8)g= 92g

Then, the percent by mass of copper = 8×100%/100= 8%

………………..zinc = 92×100%/100

= 92%

Answer 2

The mass of copper = 8g

…………………..zinc = (100–8)g= 92g

Then, the percent by mass of copper = 8×100%/100= 8%

………………..zinc = 92×100%/100

= 92%

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