If the quantity of metal in a metallic oxide is 60%, what is its equivalent weight?
1 Answer
Explanation:
The idea here is that you're looking for the mass of this unknown metal that can combine with
To make the calculations easier, pick a
#60%color(white)(.)"metal " stackrel(color(white)(color(blue)("100 g sample")aaa))(rarr) " 60 g metal"# #40%color(white)(.)"oxygen " stackrel(color(white)(color(blue)("100 g sample")aaa))(rarr) " 40 g oxygen"#
So, you know that
#8 color(red)(cancel(color(black)("g oxygen"))) * "60 g metal"/(40color(red)(cancel(color(black)("g oxygen")))) = "12 g metal"#
Therefore, you can say that the equivalent mass of the metal is equal to
#color(darkgreen)(ul(color(black)("equivalent mass of metal in 60% metal oxide = 12 g")))#