3. How many grams of carbon dioxide are produced when 191 g of methane (CHA) are burned completely as shown in the reaction below: CH4 + 2O2 + CO2 + 2H2O

262 g CO2

O 191 g CO2

O 524 g CO2

1050 g CO2

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).

Answer two atoms of oxygen;

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