Calculate the number of atoms/molecules present in the following 1Kg of acetic acid

The approximate production of Na₂C0₃ per month is 424 x 10⁶gwhile that of methyl alcohol is 320 x 10₆ g. Which is produced more in terms of moles?

Calculate number of moles of carbon atoms in three .moles of ethane.

Find the molecular mass of FeSO₄7H₂O.

Calculate the number of moles present in the following 50g of calcium chloride

Calculate the number of moles present in the following 120g of sodium hydroxide

Calculate the number of moles present in the following 46g of ethanol

Calculate the number of moles present in the following 90 g of magnesium oxide

Calculate the number of moles present in the following 19.5g of potassium

The density of CO₂ = 1.977kgm^-3 at STP. Calculate I the molecular mass of CO₂

How many moles of glucose are present in 720 g of glucose

Calculate the weight of 0.2 mole of sodium carbonate.

Calculate the equivalent mass of bicarbonate ion.

Calculate the molar volume of the following 88 g of CO₂

Calculate the molar volume of the following 5 moles of methane

Calculate the molar volume of the following 460g of formic acid

Calculate the molar volume of the following 3.0115 \(\times\)10²³ molecules of SO₂ gas

Calculate the equivalent mass of the following : Zn

Calculate the equivalent mass of the following : nitrate ion (NO₃^-)

Calculate the equivalent mass of the following : Sodium

0.456 g of a metal gives 0.606g of its chloride Calculate its equivalent mass

Decide whether each of the following reaction involves oxidation reduction reaction or not. If it does,identify which species is oxidised and which gets oxidised ?
\({ 4CH }_{ 3 }-\overset { \overset { O }{ || } }{ C } -{ CH }_{ 3 }+LiAl{ H }_{ 4 }={ 4H }_{ 2 }O\rightleftharpoons { 4CH }_{ 3 }-\overset { \overset { OH }{ || } }{ CH } -{ CH }_{ 3 }+LiOH+Al({ OH })_{ 3 }\)

Decide whether each of the following reaction involves oxidation reduction reaction or not. If it does ,identify which species is oxidised and which gets oxidised?
\({ CH }_{ 3 }{ CH }_{ 2 }OH\overset { { H }_{ 2 }{ SO }_{ 4 } }{ \longrightarrow } { CH }_{ 2 }={ CH }_{ 2 }+{ H }_{ 2 }O\)

Decide whether each of the following reaction involves oxidation reduction reaction or not. If it does , identify which species is oxidised and which gets oxidised ?
\({ CH }_{ 3 }-\overset { \underset { || }{ O } }{ C } -OH+{ CH }_{ 3 }{ NH }_{ 2 }\rightleftharpoons { CH }_{ 3 }-\overset { \underset { || }{ O } }{ C } -O^{ - }+{ CH }_{ 3 }{ NH }_{ 3 }^{ + }\)

Calculate the equivalent mass of barium hydroxide

Boric acid, H₃BO₃ is a mild antiseptic and is often used as an eyewash. A sample contains 0.543 mol H₃BO₃. What is the mass of boric acid in the sample ?

A compound contains 50% of X (atomic mass 10) and 50% Y (atomic mass 20). Give its molecular formula.

Determine the empirical formula of a compound containing K = 24.75%, Mn = 34.77% and rest is oxygen

Identify the type of redox reaction taking place in the following
\(3{ M }^{ 0 }g_{ (s) }+{ N }_{ 2(g) }^{ 0 }\longrightarrow \overset { +2 }{ { Mg }_{ 3 } } \overset { -3 }{ N_{ 2(s) } } \)

Identify the type of redox reaction taking place in the following
\(\overset { +5 }{ { Y }_{ 2 } } \overset { -2 }{ { O }_{ 5(s) } } +5\overset { 0 }{ { Ca }_{ (s) } } \longrightarrow \overset { 0 }{ 2 } { V }_{ (s) }+\overset { +2 }{ 5 } \overset { -2 }{ { CaO }_{ (s) } } \)

Identify the type of redox reaction taking place in the following
\(\overset { +1 }{ 2K } \overset { +5 }{ Cl } \overset { -2 }{ O_{ 3(s) } } \longrightarrow 2\overset { +1 }{ K } \overset { -1 }{ { Cl }_{ (s) } } +3\overset { 0 }{ { O }_{ 2 }(g) } \)

Identify the type of redox reaction taking place in the following
\(\overset { 0 }{ { Ca }_{ (s) } } +\overset { +1 }{ 2 } \overset { -2 }{ { H }_{ 2 }O_{ (l) } } \longrightarrow \overset { +2 }{ Ca } \overset { -2+1 }{ { (0H) }_{ 2(aq) } } +\overset { 0 }{ H } _{ 2(g) }\)

Identify the type of redox reaction taking place in the following
\({ Br }_{ 2(1) }+2I_{ (aq) }\longrightarrow 2{ Br }_{ (aq) }^{ - }+{ I }_{ 2(s) }\)

Identify the type of redox reaction taking place in the following
\(\overset { 0 }{ { Cl }_{ 2(g) } } +{ 2OH^{ - }_{ (aq) } }\longrightarrow \overset { -1 }{ Cl } { O }_{ (aq) }^{ - }+\overset { -1 }{ { Cl }^{ - } } _{ (aq) }+{ H }_{ 2 }{ O }_{ (l) }\)

Balance the following reaction:
K₂Cr₂O₇ + KI + H₂SO₄ \(\rightarrow\) K₂SO₄ + Cr₂(SO₄)₃ + I₂ + H₂O

Balance the following reaction:
KMnO₄ + Na₂SO₃\(\rightarrow\)MnO₂ + Na₂SO₄ + KOH (Alkaline medium)

Balance the following redox reaction:
K₂Cr₂O₇ + KCI + H₂SO₄ \(\rightarrow\) KHSO₄ + CrO₂CI₂ + H₂O

Balance the following reaction:
Cu + HNO₃\(\rightarrow\)Cu(NO₃)₂ + NO₂ + H₂O

What will be oxidation number of sulphur in\({ S }_{ 2 }{ O }_{ 8 }^{ 2- }\) ions and \({ S }_{ 2 }{ O }_{ 6 }^{ 2- }\) ion?

Balance the following reaction:
P+ HNO₃\(\rightarrow\) H₃PO₄ + NO₂ + H₂O

Balance the following reaction:
P+5HNO₃ \(\rightarrow\) H₃PO₄ + 5NO₂ + H₂O

Balance the following reaction:
H₂C₂O₄+KMnO₄ + H₂SO₄ \(\rightarrow\) H₂SO₄ + MnSO₄ + CO₂ + H₂O

Balance the following reaction:
CuO+ NH₃ \(\rightarrow\)Cu + N₂+ H₂O

Balance the following reaction:
Zn + HNO₃ \(\rightarrow\) Zn (NO₃)₂ + NH₄NO₃ +H₂O

Balance the following reaction:
MnO^-₄ + Sn²⁺\(\rightarrow\) Mn²⁺ + Sn⁴⁺

Balance the following reaction:
MnO₄^2-\(\rightarrow\) MnO₄^2- + MnO₂

Balance the following reaction:
MnO₄^- + Fe²⁺ \(\rightarrow\) Mn²⁺ + Fe³⁺

Balance the following reaction:
S₂O₃^2- + I²\(\rightarrow\)S₂O₆^2- + I^-

0.456 g of a metal gives 0.606 g of its chloride. Calculate the equivalent mass of the metal.

Experimental analysis of a compound containing the elements x,y,z on analysis gave the following data.
x = 32 %, y = 24 %, z = 44 %. The relative number of atoms of x, y and z are 2, 1 and 0.5, respectively. (Molecular mass of the compound is 400 g) Find out.
i) The atomic masses of the element x,y,z.
ii) Empirical formula of the compound and
iii) Molecular formula of the compound.

The balanced equation for a reaction is given below 2x + 3y \(\rightarrow\) 41 + m
When 8 moles of x react with 15 moles of y, then
i) Which is the limiting reagent ?
ii) Calculate the amount of products formed.
iii) Calculate the amount of excess reactant left at the end of the reaction

Balance the following reaction:
C₂O₄²-+ Cr₂O₇^2-\(\rightarrow \)Cr³⁺+ CO₂

Balance the following reaction
S₂O₃^2- + I₂ \(\rightarrow \) S₂ O₄^2- + I^-

Balance the following reaction:
Sb³⁺+ Mn\({ O }_{ 4 }^{ - }\)\(\rightarrow \) Sb⁵⁺+ Mn²⁺