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Question
8 g of X reacts with 3 g of Y to form a new product Z. The chemical equation of the same is given below.
X+Y→Z. The mass of the product Z formed here will be _______ g. [1 mark]
a. 5.5
b. 11
c. 4
d. 10.5
X+Y→Z. The mass of the product Z formed here will be _______ g. [1 mark]
a. 5.5
b. 11
c. 4
d. 10.5
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Solution
The correct option is b. 11 [1 mark]
According to the law of conservation of mass, the mass in a chemical reaction remains conserved. In other words, the total mass of the products formed will be equal to the total mass of reactants participated.
Hence, mass of Z = mass of X + mass of Y = 8 + 3 = 11 g.
According to the law of conservation of mass, the mass in a chemical reaction remains conserved. In other words, the total mass of the products formed will be equal to the total mass of reactants participated.
Hence, mass of Z = mass of X + mass of Y = 8 + 3 = 11 g.
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