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24 July, 16:12

This balanced chemical equation represents a chemical reaction: 6no + 4nh3 → 5n2 + 6h2o what volume of nh3 gas, at standard temperature and pressure (stp), is required to react with 15.0 g of no?

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  1. 24 July, 16:27
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    Answer is: volume of ammonia gas is 7,392 L

    Chemical reaction: 6NO + 4NH₃ → 5N₂ + 6H₂O.

    m (NO) = 15,0 g.

    V (NH₃) = ?

    n (NO) = 15,0 g : 30 g/mol.

    n (NO) = 0,5 mol.

    from reaction: n (NO) : n (NH₃) = 6 : 4

    0,5 mol : n (NH₃) = 6 : 4.

    n (NH₃) = 0,33 mol.

    V (NH₃) = 0,33 mol · 22,4 L/mol (molar volume at STP).

    V (NH₃) = 7,392 L.

    n - amount of substance.
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