Concentration of urea
Help me to go through this problem. 6.02x 1020 molecules of urea are present in 100 ml of its solution. The concentration of urea solution is: (a) 0.02 M (b) 0.01 M (c) 0.001 M (d) 0.1 M (Avogadro constant, N4= 6.02x 1023mol -1)
what are the examples of biodegradable polymers
The relative lowering of vapour pressure of 0.2 molal solution in which solvent is benzene
Give me answer of this question. The vapour pressure of benzene at a certain temperature is 640mm of Hg. A non-volatile and non-electrolyte solid weighing 2.175g is added to 39.08g of benzene. The vapour pressure of the solution is 600,mm of Hg . What is the mo
What is the reason behind this that some medications contain hcl?
changes in matter law of chemical combination
Why do various medications include the hcl? Describe briefly?
brief discription of relative lowering of vapour pressure
What do you mean by the term hydra? Briefly define it.
density of water is 1g/mL.The concentration of water in mol/litre is
Choose the right answer from following. The amount of NaOH in gms in 250cm3 of a0.100M NaOH solution would be : (a) 4 gm (b) 2 gm (c) 1 gm (d) 2.5 gm
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