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(English Medium) ICSE Class 10 - CISCE Question Bank Solutions for Chemistry

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Chemistry
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Calculate the number of molecules in one Kg of calcium chloride.

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
Chapter: [5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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How many grams of Al are present in 0.2 mole of it?

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
Chapter: [5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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How many grams of HCl are present in 0.1 mole of it?

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
Chapter: [5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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How many grams of H2O are present in 0.2 mole of it?

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
Chapter: [5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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How many grams of CO2 is present in 0.1 mole of it?

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
Chapter: [5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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Calculate the number of moles of CO2 which contain 8.00 g of O2

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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Calculate the number of moles of methane in 0.80 g of methane.

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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Calculate the mass of 0.1 mole of the following:

CaCO3

(Ca = 40, Na = 23, Mg = 24, S = 32, C = 12, Cl = 35.5, O = 16, H = 1)

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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Calculate the mass of 0.1 mole of the following:

Na2SO4.10H2O

(Ca = 40, Na = 23, Mg = 24, S = 32, C = 12, Cl = 35.5, O = 16, H = 1)

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
Chapter: [5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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Calculate the mass of 0.1 mole of the following:

CaCl2

(Ca = 40, Na=23, Mg =24, S=32, C = 12, Cl = 35.5, O=16, H=1)

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
Chapter: [5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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Calculate the mass of 0.1 mole of the following:

Mg

(Ca = 40, Na = 23, Mg = 24, S = 32, C = 12, Cl = 35.5, O = 16, H = 1)

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
Chapter: [5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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What mass of Ca will contain the same number of atoms as are present in 3.2 g of S?

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
Chapter: [5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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Calculate the number of atoms in the following: 

52 moles of He

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
Chapter: [5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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Calculate the number of atoms in the following: 

52 amu of He

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
Chapter: [5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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Calculate the number of atoms in the following: 

52 g of He

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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Determine the number of molecules in a drop of water which weighs 0.09 g.

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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The molecular formula for elemental sulphur is S8. In a sample of 5.12 g of sulphur:

How many moles of sulphur are present?

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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The molecular formula for elemental sulphur is S8.In a sample of 5.12 g of sulphur:

How many molecules and atoms are present?

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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If phosphorus is considered to contain P4 molecules, then calculate the number of moles in 100g of phosphorus?

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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A student puts his signature with a graphite pencil. If the mass of carbon in the signature is 10-12 g, calculate the number of carbon atoms in the signature.

[5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
Chapter: [5.2] Relative Atomic Mass, Relative Molecular Mass and Mole Concept
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