A 20 L vessel contains 0.1 mole of at 300 K. is prepared in the vessel by subjecting to silent electric discharge till the volume is reduced to 15 L at 300K. What is the number of moles of formed?
0.05
0.025
0.075
0.01
Related Questions
Two elements P and Q react to form compounds with formulas and . If 0.1 mole of weighs 5 g and 0.2 mole of weighs 14 g, what are the atomic masses of P and Q?
P = 20, Q = 15
P = 40, Q = 5
P = 30, Q = 10
P = 10, Q = 20
0.3 g of an oxalate salt was dissolved in 100 mL solution. The solution required 90 mL of for complete oxidation. The % of oxalate ion in salt is:
Which one of the followings has maximum number of atoms ?
of [ Atomic mass of ]
of [ Atomic mass of ]
of [ Atomic mass of ]
of [ Atomic mass of ]
In which case is the number of molecules of water maximum ?
Maximum no. of atoms are present in
A 0.50 solution of reacts with excess of and solutions according to the equation, . Which of the following statements is true?
200 mL of the solution reacts with 0.10 mole .
100 mL of the solution reacts with 0.060 of .
0.5 litre of the solution produces 0.15 mole of
None of the above
Which of the following samples contain the least number of atoms
A mixture of g formic acid and g oxalic acid is treated with conc. . The evolved gaseous mixture is passed through pellets. The weight (in g) of the remaining product at STP will be
1.1
2.8
3.2
4.4
Rank the following samples from least to greatest number of atoms:
I. 5 g of
II. 5 g of
III. 5 g of
IV. 5 g of
I < II < III < IV
IV < III < II < I
IV < II < III < I
I < III < II < IV
Number of atoms in 558.5 g of Fe is (at . wt = 55.85)
Twice that in 60 g carbon
Half in 8 gr of He