H2S, a toxic gas with rotten egg like smell, is used for the qualitative analysis. If the solubility of H2S in water at STP is 0.195 m,...

Calculate (a) molality (b) molarity and (c) mole fraction of KI if the density of 20% (mass/mass) aqueous KI is 1.202 g mL-1 Solution -...

Calculate the mass of urea (NH2CONH2) required in making 2.5 kg of 0.25 molal aqueous solution. Molality = (w x 1000) / (mm x W) Mass of...

Calculate the mole fraction of benzene in solution containing 30% by mass in carbon tetrachloride. Solution - 30% by mass of C6H6 in CCl4...

Calculate the mass percentage of benzene (C6H6) and carbon tetrachloride (CCl4) if 22 g of benzene is dissolved in 122 g of carbon...

Chemistry is a big part of our everyday life. One can easily observe this branch of science in different spheres of human life such as in...