plz answer fast.......
Attachments:
Answers
Answered by
1
Given,
total mass = 1kg
copper =40%400gm
nickel=32%= 320gm
rest = zinc
thus,
zinc= 1000-720
=280...
(280/1000)100= 28%
Similar questions
Math,
5 months ago
Computer Science,
5 months ago
Math,
5 months ago
English,
11 months ago
English,
11 months ago
Environmental Sciences,
1 year ago
English,
1 year ago