Determining mole fraction of water in mixture
A mixture has 18 g water and 414 g ethanol. What is the mole fraction of water in mixture (suppose ideal behaviour of mixture): (i) 0.1 (ii) 0.4 (iii) 0.7 (iv) 0.9 Choose the right answer from above.
A mixture has 18 g water and 414 g ethanol. What is the mole fraction of water in mixture (suppose ideal behaviour of mixture): (i) 0.1 (ii) 0.4 (iii) 0.7 (iv) 0.9
Choose the right answer from above.
Expert
The right answer is (a) Molecular weight of C2H5OH = 24+5+16+1= 46Molecular mass of H2O = 18414g of C2H5OH has 414/ 46= 9 mole18g H2O has 18/18 = 1 moleMole fraction of water = n1/ n1 + n1 = 1 / 1+9 = 1 / 10 = 0.1
Describe the difference between law of multiple proportions and law of definite proportions?
Provide solution of this question. The weight of sodium carbonate required to prepare 500 ml of a seminormal solution is: (a) 13.25 g (b) 26.5 g (c) 53 g (d) 6.125 g
Can someone please help me in getting through this problem. Two solutions of a substance (that is, non electrolyte) are mixed in the given manner 480 ml of 1.5M first solution + 520 ml of 1.2M second solution. Determine the molarity of the final mixture
why transation metals show charaterstic colours to the flame?
list and identify differences between the major classes of hydrocarbons
Phenol was initially obtained by fractional distillation of coal
Help me to solve this Question. The number of moles of SO2Cl2 in 13.5 gm is in is : (a) 0.1 (b) 0.2 (c) 0.3 (d) 0.4
Halides characteristics
order of decreasing basicity of urea and its substituents
To meet human needs, scientists have started preparing synthetic rubbers. Besides having similar properties as natural rubbers they are tougher, more flexible and more durable than natural rubber. They are capable of getting stretched to twice its length. Though, it reverts to its original shape
18,76,764
1952110 Asked
3,689
Active Tutors
1426312
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!