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Atomic Mass and Atomic Mass Unit

Question

$1$ amu is equal to $2.512 \times 10^{- 8} c m$ g.

True
False

A

False

B

True

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Solution

Verified by Toppr

The atomic mass unit (amu) is equal to $\frac{1}{12}$ of the mass of one atom of the carbon-12 isotope.

1 mole carbon-12 atoms weigh 12 g.

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Similar Questions

Q1

1

amu is equal to

1.66 \times 10^{- 24}

g.

View Solution

Q2

1 a m u

is equal to

1.66 \times 10^{- 24}

g.

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Q3

1 amu when expressed as $1.66 \times$ $10^{- x}$ g ,x =?

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Q4

Gold has a cubic close packed structure where

A u

spheres occupying

0.74

of the total volume. If the density of gold is

20 g / c c

, calculate the apparent radius of a gold atom in the solid.

(Mass of Au = 197 a m u)

Given:

1 a m u = 1.66 \times 10^{- 24} g

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Q5

The atomic fraction (d) of tin in bronze (fcc) with a density of

7717

kg m

^{- 3}

and a lattice parameter of

3.903

˚ A

is :

(Atomic weight of Cu

= 63.54

amu and Sn

= 118.7

amu, where

1

amu

= 1.66 \times 10^{- 27}

kg)

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