Asked by Sheri
Please help...I know I'm missing something here
if 50.0mL of AgNO3 reacts with 25.0mL of 0.100M of K2CrO4, what is the molarity of silver nitrate?
if 50.0mL of AgNO3 reacts with 25.0mL of 0.100M of K2CrO4, what is the molarity of silver nitrate?
Answers
Answered by
Steve
2AgNO3 + K2CrO4 -> 2KNO3 + Ag2CRO4
25mL of .1M K2CrO4 has .0025 moles
Each mole of K2CrO4 reacts with 2 moles of AgNO3
So, you need .0050 moles of AgNO3
.0050moles/.050L = 0.1M AgNO3
25mL of .1M K2CrO4 has .0025 moles
Each mole of K2CrO4 reacts with 2 moles of AgNO3
So, you need .0050 moles of AgNO3
.0050moles/.050L = 0.1M AgNO3
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