Basic Chemistry Concepts
Short summary:
Chemistry. Tutorial - Basic Chemistry Concepts. A compound X contains 63.3% Mn and 36.7% O by mass. When X is heated, oxygen gas is evolved and a new compound Y containing 72.0% Mn and 28.0%
O is formed. ...
Long summary:
2.4g of a compound of C, H and O gave on combustion, 3.52g of CO2 and 1.44g of H
2
O. The relative molecular mass of the compound was found to be 60.
(a) What are the masses of C, H and O in 2.4g of the compound?
(b) What are the empirical and molecular formulae of the compounds?
Source: www.ntu.edu.sg
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