Mole fraction of hydrogen
Give me answer of this question. In a mixture of 1 gm H2 and 8 gm O2 , the mole fraction of hydrogen is: (a) 0.667 (b) 0.5 (c) 0.33 (d) None of these
what is the meaning of fourth power of valency of an active ion?
2.0gram of dolomite is heated to a constant weight of 1.0g. Calculate the total volume of CO2 produced at STP by this reation
During processing of food, several chemicals are added to it to augment its shelf life and to make it more attractive as well. Main types of food addi
Explain the method, how do you solve Ideal Gas Law problems?
Provide solution of this question. According to Raoult's law the relative lowering of vapour pressure of a solution of volatile substance is equal to: (a) Mole fraction of the solvent (b) Mole fraction of the solute (c) Weight percentage of a solute (d) Weight perc
Choose the right answer from following. At 300 K, when a solute is added to a solvent its vapour pressure over the mercury reduces from 50 mm to 45 mm. The value of mole fraction of solute will be: (a)0.005 (b)0.010 (c)0.100 (d)0.900
37% weight of HCl and density is 1.1g/ml. find molarity of HCl
Provide solution of this question. Which has maximum vapour pressure: (a) HI (b) HBr (c) HCl (d) HF
give atleast two application of following colligative properties
what is the relationship between vitamins and enzyme cofactors
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