3 As2S3 (s) + 10 HNO3 (aq) + 4 H2O (ℓ) → 6 H3AsO4 (aq) + 10 NO (g) + 9 S (s)

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Enter a mass or volume in one of the boxes below. Upon hitting submit, the stoichiometric equivalents will be calculated for the remaining reactants and products. All gases are assumed to be at STP.

As2S3          Mass: g
HNO3           Mass: g  or Solution Volume: mL of Concentration: mol/L
H2O            Mass: g
H3AsO4         Mass: g  or Solution Volume: mL of Concentration: mol/L
NO             Mass: g  or Gas Volume: L
S              Mass: g


Halka, Monica and Nordstrom, Brian. Metals & Metalloids; Infobase Publishing: New York, NY, 2011; pg. 96.

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