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Recent questions tagged stoichiometry
Questions
The no of moles of $KMnO_4$ that will be needed to react with one mole of sulphite ion in acidic solution
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q69
medium
asked
Oct 29, 2013
by
sreemathi.v
1
answer
A solution is 0.5m in $MgSO_4$,0.1M $Alcl_3$ and 0.2M in $(NH_4)_2SO_4.$The total ionic strength is
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q68
medium
asked
Oct 29, 2013
by
sreemathi.v
1
answer
The total ionic strength (total molarity of all ions) Containing 0.1m of $CuSO_4$ and 0.1m of $Al_2(SO_4)_3$ is
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q67
medium
asked
Oct 29, 2013
by
sreemathi.v
1
answer
The molality of 1 litre solution with $X\%$ by weight $H_2SO_4$ is equal to 9.The weight of the solvent present in the solution is 910g.The value of $X$ :
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q66
medium
asked
Oct 29, 2013
by
sreemathi.v
1
answer
If sea water contains 63ppm $NO_3^{-1}$ and its density is 1.01g/ml,the approximate molarity of sea water is
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q65
medium
asked
Oct 28, 2013
by
sreemathi.v
1
answer
The molality of 1M solution of NaCl (specific gravity $1.0585g/ml$) is :
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q15
easy
asked
Oct 28, 2013
by
sreemathi.v
1
answer
The amount of $H_2SO_4$ present in 1200ml of 0.1m solution is
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q64
medium
asked
Oct 28, 2013
by
sreemathi.v
1
answer
Consider the following reaction: $2NH_3(g)+CO_2(g)\rightarrow (NH_2)_2CO(aq)+H_2O(l)$. If $637.2\;g$ $NH_3$ and $1142\;g$ $CO_2$ are allowed to react, then which one is the limiting reagent ?
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q14
difficult
asked
Oct 28, 2013
by
sreemathi.v
1
answer
A gaseous alkane was exploded with oxygen.The volume of $O_2$ for complete combustion to $CO_2$ formed was in the ratio of 7 : 4.The molecular formula of alkane is
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q62
medium
asked
Oct 28, 2013
by
sreemathi.v
1
answer
To neutralize completely 20ml of 0.1m aqueous solution of phosphorus $(H_3PO_3)$ acid the volume of 0.1m aqueous KOH solution required is
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q60
medium
asked
Oct 28, 2013
by
sreemathi.v
1
answer
25ml of a solution of barium hydroxide titration with 0.1molar solution of hydro-chloric acid gave a titre value of 35ml.The molarity of barium hydroxide is
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q58
medium
asked
Oct 28, 2013
by
sreemathi.v
1
answer
What volume of hydrogen gas at 273K and 1atm pressure will be consumed in obtaining 21.6g of element boron (at.mass=0.8) from the reduction of boron trichloride with hydrogen ?
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q57
medium
asked
Oct 28, 2013
by
sreemathi.v
1
answer
Which of the following changes with increases in temperature?
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q12
easy
asked
Oct 28, 2013
by
sreemathi.v
1
answer
20ml of 0.1m $H_3BO_3$ solution on complete neutralization requires __________ml of 0.05m $NaOH$ solution
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q52
medium
asked
Oct 28, 2013
by
sreemathi.v
1
answer
16g $SO_x$ occupies 5.6 litres at STP. Assuming the nature of the gas to be ideal, the value of $x$ is
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q37
medium
asked
Oct 25, 2013
by
sreemathi.v
1
answer
4.4g of $CO_2$ and $2.24$ litre of $H_2$ at STP are mixed in a container.The total number of molecules present in the container will be
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q35
medium
asked
Oct 24, 2013
by
sreemathi.v
1
answer
The electric charge on the electron is $1.602\times 10^{-19}$ coulomb.How much charge is present on 0.1 mole of $Cu^{2+}$ ions?
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
medium
asked
Oct 23, 2013
by
sreemathi.v
1
answer
A gas has a vapour density 11.2. The volume occupied by 1g of the gas at NTP is
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q2
medium
asked
Oct 22, 2013
by
sreemathi.v
1
answer
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