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Salushi_7
106.4 is going to be your answer
The word “conservation” refers to an amount that is unchanged. The total amount of energy in the universe remains the same.
Assuming there is excess acid, the equation for the reaction is Zn + 2HCl -> ZnCl2 + H2.
Mols of zinc = 20/65 (mass/relative atomic mass)
Ratio of Zn : ZnCl2 = 1 : 1
Hence mols of Zinc = mols of Zinc chloride
Mass of ZnCl2 = (20/65)(65+71)
= 41.8g
The Answer will be
A, B, and D
Not entirely sure though, comment if I'm wrong about this or delete this so no one else gets it wrong if it is
