A certain mass of nickel reacts with sulphur to produce 2.83 g of NiS. The same mass of nickel reacts completely with 0.5 g of oxygen to produce 2.33 g of NiO. How many grams of sulfur reacted in the first reaction?
A) 0.5 g
B) 1 g
C) 1.5 g
D) 10-1 g
E) 1.25 g
Correct Answer:
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