Plz tell me the answer of these question's of chapter-3 atoms & molecules! Q1. Copper oxide was prepared by 2 different methods in one case 1.75g of the metal gave 2.19g of the oxide in the second case 1.14g o the metal gave 1.43g of the oxide. Show that the given data proves law of constant proportion.
Q2. Calculate the mass of carbon present in 2g of CO2.
Law of constant helps us to calculate the percentage of any element by the following formula:-
% of an element in the compound
=mass of the element
Upon ×100
Mass of compound
Plz tell me the answer its urgent
Q2. Calculate the mass of carbon present in 2g of CO2.
Law of constant helps us to calculate the percentage of any element by the following formula:-
% of an element in the compound
=mass of the element
Upon ×100
Mass of compound
Plz tell me the answer its urgent
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