Problema Solution
how many grams of pure copper should be melted into 16 grams of 68% copper alloy to make a 92% copper alloy?
Answer provided by our tutors
let
x = grams of pure 100% copper
1.00*x + 0.68*16 = 0.92(x + 16)
by solving we find:
x = 48 gr
click here to see the step by step solution of the equation:
48 grams of pure copper should be used.