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You need 5.00 grams of AgNO3. You have a 1.25 molar solution. What volume of that solution contains 5.00 grams?

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    The molecular weight of AgNO3 is 108 +14 +48 = 170 g/mole. 5.00 grams is
    5/170 = 0.0294 moles of AgNO3.

    How many liters of solution do you need if there are 1.25 moles of solute per liter?

    V = 0.0294 moles/1.25 mole/l = ___ l

    Convert to milliters of you wish

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