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if 50.0mL of AgNO3 reacts with 25.0mL of 0.100M of K2CrO4, what is the molarity of silver nitrate?

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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
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