Finding volume of one compound using Stoichiometry equation

[Consul54]

Homework Statement

I am having a problem finding the volume of one compound while having the molarity and volume for another using a balanced equation.
This is the problem statement: What volume in mL of ammonium carbonate is needed to react completely with 200.0 mL of 1.500 M silver (I) nitrate to the following equation?
2AgNO3 (aq) + (NH4)2CO3 (aq) --> AgCO3 (s) + 2NH4NO3 (aq)

Homework Equations

M1 V1 x M2 V2

The Attempt at a Solution

I am able to convert the silver (I) nitrate using the molarity and volume values to find its moles by using this equation 1.500 M = moles / 0.200 L => moles = 0.3 mol AgNO3. Next, I used stoichiometry to find the moles of ammonium carbonate with this equation 0.3 mol AgNO3 x (1 mol (NH4)2CO3/2 mol AgNO3) = 0.15 mol (NH4)CO3. Can someone help me figure out how to get the volume if I do not have the molarity of ammonium carbonate?

 

[Charles Link]

I think you need the molarity of the ammonium carbonate solution. Without it, there is insufficient information to work the problem. (And from a quick glance at it, what you did is correct).

 

[Borek]

As Charles signaled, no way to answer the problem with the information given.