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You are a chemist requested to review and analyse certain debris found on thebottom of aboot found in a crime scene. The debris contains metal fragments. If you identify the metal fragments---it will help the detctive identify the locations traveled by the person who did the crime.

from the bottom of the boot---a sample of unknow metal, X(s) and react it with Oxygen gas according to the following equation: 2x(s) + O2 >>> 2XO(s)

if you react 397.2 grams of X(s) with 100.0 grams of O2(g) to produce 497.2 grams of XO(s), then what is the identity of metal X???

which is it based on the items below


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