Question

In alloy of 45kg. If copper content is 27kg and zinc is 18kg.what is the percentage of copper

Answer 1

Answer:

Total weight= 45kg

zinc weight= 18kg

copper weight=27kg

so, as weight percentage of an element in a compound is = (mass of the particular element needed÷total weight of the substance) ×100

so, weight % of cu= (27÷45) ×100

% of cu=60%

HOPE THE ANSWER IS CLEAR...

Answer 2

Answer:

100/45 * 27=60 PERCENT

Explanation: