For each equation given below, enter the number in the space provided to correctly answer the question.
1 answer:
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Answer: The correct option is:
Explanation:
In balanced chemical equation , mass of the reactants is always equal to the mass of the products.
This is the balanced equation because on both sides number of sodium and bromine atoms are same.
On the reactant side there are two sodium atoms and two bromine atoms
On the product side there are also two sodium atoms and two bromine atoms in NaBr.
Mass of reactants (here 2Na and )= Mass of products(here 2NaBr)
2(23u) + 2(79.9u) = 2(23u + 79.9u) = 205 u