An excess of aqueous AgNO3 reacts with
24.5 mL of 5 M K2CrO4(aq) to form a precip-
itate. What is the precipitate?
1. AgNO3
2. Ag2CrO4
3. KNO3
4. K2CrO4
Ag2CrO4
To determine the precipitate formed when an excess of aqueous AgNO3 reacts with 24.5 mL of 5 M K2CrO4(aq), we need to identify the chemical equation and then predict the product that will form.
The balanced chemical equation for the reaction between AgNO3 and K2CrO4 can be written as:
2 AgNO3 + K2CrO4 → Ag2CrO4 + 2 KNO3
According to this equation, Ag2CrO4 is the precipitate that forms when AgNO3 reacts with K2CrO4.
Therefore, the answer is option 2: Ag2CrO4.