H2S, a toxic gas with rotten like smell, is used for the qualitative analysis/Class Xll Chemistry.

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  • #H2S, a toxic gas with rotten like smell, is used for the qualitative analysis.
    If the solubility of H2S in water at STP is 0.195 m, calculate Henry's law constant.
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    1.Calculate the mass percentage of benzene and carbon tetrachloride,
    If 22gm of benzene is dissolved in 122gm of carbon tetrachloride.
    2.Calculate the mole fraction of benzene in solution contain 30% by mass in carbon tetrachloride.
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    3.Calculate the molarity of each of the following solutions (a) 30 gm of Co(NO3)2.6H2O in 4.3 litre of solution. (b) 30 ml of 0.5M H2SO4 diluted to 500 ml.
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    5. Calculate (a)molality (b)molarity and (c) mole fraction of KI, if the density of 20% (mass/ mass) Aqueous KI is 1.202 gm/ml.
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    6.H2S, a toxic gas with rotten like smell, is used for the qualitative analysis.
    If the solubility of H2S in water at STP is 0.195 m, calculate Henry's law constant.

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