Question

An alloy consists of 30% zinc,45% nickel and the rest copper. Find the mass of copper in 400g of alloy.

Answer 1

THANKS FOR THE QUESTION !

______________________________

ANS :

.................. 100G ...................

______________________________

GIVEN :

=> AN ALLOY CONSISTS :

=> 30% ZINC

=> 45% NICKEL

=> REST % COPPER

______________________________

TO FIND :

=> PROPORTION OF COPPER IN THAT ALLOY

______________________________

TOTAL ALLOY :

=> 100 %

______________________________

PERCENTAGE OF COPPER :

=> TOTAL ALLOY - PROPORTION OF ZINC - PROPORTION OF NICKEL

=> 100% - 30% - 45%

=> 25%

_____________________________

TO FIND :

=> PROPORTION OF COPPER IN 400 G ALLOY

_____________________________

PROPORTION OF COPPER :

=> 25% OF 400G

=> 25 / 100 * 400G

=> 100 G

_____________________________

HOPE IT WILL HELP U......

THANKS AGAIN ......

______________________________