A metal M forms a volatile carbonyl complex . 0.525g of this complex is heated in a closed vessel of volume 250 mL at . The pressure inside the vessel after complete decomposition of the complex is 746 Torr. If the gas constant R is 0.0821 L atm , what is the value of x in the formula ? (Assume the metal M does not contribute significantly to the pressure)
3
4
2
5
Related Questions
100 mL of 0.1 M solution of a reductant is diluted to 1 litre, which of the following changes?
Molarity
Millimole
Milliequivalent
None of these
How many litre of at STP will be liberated by the oxidation of with 10 g ?
3.54 litre
7.08 litre
1.77 litre
None of these
When one mole of reacts with , the volume of chlorine liberated at will be:
11.2 litre
22.4 litre
44.8 litre
56.0 litre
A solution is prepared by dissolving 10 g of glucose in 190 g of water. What is the mass percentage of glucose in the solution?
5%
10%
2%
95%
A solution is prepared by dissolving 10 g of sucrose () in 200 g of water. What is the mole fraction of sucrose?
0.0026
0.0292
0.0500
0.997
For the reaction, The normality of (mol.wt. = 189.7) solution prepared by dissolving 47.5 g in acid solution and diluting with to a total of 2.25 litre is :
0.222
0.111
0.333
0.444
0.5 grams of sodium hydroxide was treated with of HCl solution. The mass of sodium hydroxide left unreacted is equal to
0.125 g
0.25 g
0.5 g
0 g
What is the mole fraction of the solute in a 1.00 m aqueous solution of glucose?
0.0177
0.0180
0.982
1.00
Weight of oxidized by 200 mL of 1 solution is :
30.4 g
15.2 g
60.8 g
158 g