Respuesta :
The molarity of the bromide ion is 0.882 M .
Molar concentration is a measure of the attention of a chemical species, specially of a solute in an answer, in phrases of amount of substance in keeping with unit quantity of solution.
In chemistry, the maximum typically used unit for molarity is the number of moles consistent with liter, Molarity refers to the attention of a compound or ion in a solution, and normality refers back to the molar attention handiest of the acid aspect or handiest of the base component of the solution. therefore, normality gives know-how of the solution's concentration in acid-base reactions.
Pb⁺² + 2Br⁻ => PbBr₂
19.38 ml × 0.5690 M = 11.03 millimoles of Pb⁺²
millimoles of Br⁻ = 2 × millimoles of Pb⁺²
= 2 × 11.03
= 22.06 millimoles of Br⁻
= 22.06 millimoles/25 ml
molarity = 0.882 M in Br⁻.
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