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March 25, 2017

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what volume of 0.100 M NaCl is needed to react completely with 5.00 mL of 0.200 M Pb(NO3)2?

  • CHEMISTRY - ,

    Pb(NO3)2 + 2NaCl ==> PbCl2 + 2NaNO3
    How many mols Pb(NO3)2 do you have? mols = M x L = ?
    How many mols NaCl does that need? Look at the coefficients. 2x that.

    Now M NaCl = mols/L soln.You know mols and M, solve for L which is volume.

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