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Chemistry

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Consider the equation: A + 4B=3C+3D, when equal masses of A and B are reacted, which is limiting?
My possible answers are:
A)if the molar mass of A is less than the molar mass of B, then B must be limiting.
B) If the molar mass of A is greater than the molar mass of B, then A must be limiting.
C) If the molar mass of A is greater than the molar mass of B, then B must be limiting.
D) If the molar mass of A is less than the molar mass of B, then A must be limiting.
E) neither reactant is limiting

I am pretty sure the answer is D. I understand that a limiting reactant is the reactant that runs out first and limits the amount of prodct that can form. Please help!

  • Chemistry - ,

    Test answer

  • Chemistry - ,

    Another test answer. My work is not posting.

  • Chemistry - ,

    Answer D is not correct.

  • Chemistry - ,

    Try assigning numbers.
    10 g A
    10 g B
    molar mass A = 10
    molar mass B = 20

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