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Arada [10]
3 years ago
6

hich statement correctly describes a chemical equilibrium? It must take place in an open system. The mass of the reactants and t

he mass of the products are equal. It is affected by the addition of a catalyst. It does not involve a reversible reaction. The concentrations of reactants and products are equal.
Chemistry
1 answer:
vodomira [7]3 years ago
6 0
The mass of the reactants and the mass of the products are no equal.
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How many moles of 0.225 M CaOH2 are present in 0.350 L of solution?
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Explanation : Given,

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\text{Molarity}=\frac{\text{Moles of }Ca(OH)_2}{\text{Volume of solution (in L)}}

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0.225M=\frac{\text{Moles of }Ca(OH)_2}{0.350L}

\text{Moles of }Ca(OH)_2=0.0788mol

Therefore, the number of moles of solute Ca(OH)_2 is, 0.0788 moles.

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