Need some help with these

1. A 15.0 carat (3.00g) diamond is found to be 99.9% carbon. What mass of carbon is in this diamond?

2. To make stainless steel, a metallurgist might “smelt” [melt and blend] together a 1250g iron “ingot” [bar], 1.500g of carbom and 200.0g of chromium. What is the full % composition of this “alloy” [metal mixture]?

1 answer

1. 3.00 g x 0.999 = ?
2. %Fe = (g Fe/total weight)*100 = ?
%Cr = (g C/total weight)*100 = ?
%C = (g C/total weight)*100 = ?

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