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Molecular Mass

Which of the ...

Question

Which of the following sample contains the largest number of atoms?

1

g of

N i (s)

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1

g of

C a (s)

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1

g of

N_{2}

(g)

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1

g of

B (s)

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Solution

The correct option is D $1$ g of $B (s)$
Larger is the number of moles, larger is the number of molecules.
As molar mass of B is lowest (= $11$ g), it will have larger number of moles. Hence, its $1$ g will have highest number of molecules and moles.

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Similar questions

Q. Which one of the following will have largest number of atoms ?
(i) 1 g

A u

(s)
(ii) 1 g

N a

(s)
(iii) 1 g

L i

(s)
(iv) 1 g of

{C l}_{2}

(g)

Which one of the following will have largest number of atoms?

(i) 1 g Au (s)

(ii) 1 g Na (s)

(iii) 1 g Li (s)

(iv) 1 g of Cl₂(g)

Q. Which one of the following will have the largest number of atoms?

(

Molar mass of

A u = 197 g / m o l)

Q. Which of the following contains the largest number of oxygen atoms?

1.0 g of

O

atoms, 1.0 g of

O_{2}

, 1.0 g of ozone

O_{3}

Q. Statement 1: A

1.0

g sample of calcium citrate

C a_{3} (C_{6} H_{5} O_{7})_{2}

(molar mass

= 498

g/mol), contains more

C a

than a

1.0

g sample of calcium carbonate,

C a C O_{3}

(molar mass

= 100

g/mol)
Statement 2: There are more

C a

atoms in

1.0

mol of calcium carbonate than in

1.0

mol of calcium citrate.

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Which of the following sample contains the largest number of atoms?

The correct option is D 1 g of B(s)Larger is the number of moles, larger is the number of molecules.As molar mass of B is lowest (=11 g), it will have larger number of moles. Hence, its 1 g will have highest number of molecules and moles.

The correct option is D $1$ g of $B (s)$
Larger is the number of moles, larger is the number of molecules.
As molar mass of B is lowest (= $11$ g), it will have larger number of moles. Hence, its $1$ g will have highest number of molecules and moles.