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Relationship between Vapor Density & Relative Molecular Mass

What is the A...

Question

What is the Atomic Mass of Cu?

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Solution

63.54 g/mol

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Similar questions

100^{o} C

(C u)

F C C

unit cell structure with cell edge length of

x ˚ A

. What is the approximate density of

C u

^{- 3}

) at this temperature?
[Atomic mass of

C u = 63.55 u

]

C u

metal crystallises in face centred cubic lattice with cell edge,

a = 361.6 p m

. What is the density of

C u

crystal? (Atomic mass of copper

= 63.5 a m u, N_{A} = 6.023 \times 10^{23})

C u

has only two naturally occurring isotopes,

63_{C u}

65_{C u}

. If the atomic mass of

C u

63.546

, then the natural abundance of the

^{63} C u

isotope will be approximately :

Q. A naturally occuring sample of copper consists of 69.2% of

^{63} C u

^{65} C u

. The relative mass of

^{63} C u

is 62.93 and that of

^{65} C u

is 64.93. Find the atomic mass of a naturally occuring sample of copper.

Q. In electrolytic refining of Cu, when 9.65 A of current is passed through an electrolytic cell for 30000 seconds to purify 100 g of an impure Cu metal at the cathode. What is % of impurity in the metal? (Atomic mass of Cu = 63.5 amu)

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