A 0.9157 g mixture of CaBr 2 and NaBr is dissolved in water, and AgNO 3 is added to the solution to form AgBr precipitate. If the mass of the precipitate is 1.6930 g, what is the percent by mass of NaBr in the original mixture?

Question

A 0.9157 g mixture of CaBr 2 and NaBr is dissolved in water, and AgNO 3 is added to the solution to form AgBr precipitate. If the mass of the precipitate is 1.6930 g, what is the percent by mass of NaBr in the original mixture? (A) 56.18 (B) 45.73 (C) 58.25 (D) 54.18

Tardigrade Admin · Accepted Answer

Q. A $0.9157 g$ mixture of $C a B r_{2}$ and $N a B r$ is dissolved in water, and $A g N O_{3}$ is added to the solution to form $A g B r$ precipitate. If the mass of the precipitate is $1.6930 g$ , what is the percent by mass of $N a B r$ in the original mixture?

$56.18$

$45.73$

$58.25$

$54.18$

Q. A 0.9157g mixture of CaBr2​ and NaBr is dissolved in water, and AgNO3​ is added to the solution to form AgBr precipitate. If the mass of the precipitate is 1.6930g, what is the percent by mass of NaBr in the original mixture?

56.18

45.73

58.25

54.18

Q. A $0.9157 g$ mixture of $C a B r_{2}$ and $N a B r$ is dissolved in water, and $A g N O_{3}$ is added to the solution to form $A g B r$ precipitate. If the mass of the precipitate is $1.6930 g$ , what is the percent by mass of $N a B r$ in the original mixture?

$56.18$

$45.73$

$58.25$

$54.18$