chemistry

2,4,6-Trinitroanilin can be prepared by nitration of p-nitroaniline with nitrate ions in the acidic solution. Chemical engineer sounds 0.50 grams of p-nitroaniline (dissolved in sulfuric acid) to react with 0.60 g of sodium nitrate (dissolved in sulfuric acid). Which reactant is limiting?
options:
-All reactants are invested in stoichiometric amounts
- 2,4,6-Trinitroanilin
- P-Nitroaniline
- Water
- Sodium nitrate

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asked by jocckee
  1. p-nA + NaNO3 ==> 246TNA
    mols p-nitroaniline = grams/molar mass
    mols NaNO3 = grams/molar mass

    Using the coefficients in the balanced equation, convert mols p-nA to 246TNA.
    Do the same for mols NaNO3 to mols 246TNA
    It is likely the two values will be different; in limiting reagent problems the correct value is ALWAYS the smaller value and the reagent producing that value is the limiting reagent.

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    posted by DrBob222
  2. Thank you so much for your respond! How do I convert the moles to 246TNA?
    :-)

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    posted by jocckee

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