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Abnormal Colligative Properties

20 A sample o...

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20 A sample of protein was analysed for metal content and analysis revealed that it contained magnesium and titanium in equal masses,by mass.if these are the only metallic species present in the protein and contains 0.016% metal,the minimum possible molar mass of the protein is: [ Mg=24,Ti=48]

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Q. A sample of protein was analysed for me metal content and analysed for metal cotent and analysis revealed that it contained magnesium and titanium in equal amount by mass. If these are the only metallic species present in the protein and contains

0.016 %

metal, the minimum possible molar mass of the protein is

[M g = 24, T i = 48]

Q. A protein has been isolated as sodium salt with their molecular formula

N a_{x} P

(this notation means that

x N a^{+}

ions are associated with a negatively charged protein

P^{x -}

). A solution of this salt was prepared by dissolving

0.25 g

of this sodium salt of protein in

10 g

of water and ebulliscopic analysis revealed that solution boils at temperature

5.93 \times 10^{- 3 \circ} C

higher than the normal boiling point of pure water.

K_{b}

0.52 k g m o l^{- 1}

Also, the elemental analysis revealed that the salt contains

1 %

sodium metal by weight. Determine the value of x and molecular weight of acidic form of protein

H_{x} P

Q. Analysis of a metal chloride

X C l_{3}

shows that it contains

67.2 %

C l

by mass. The molar mass of

X

Q. A metal oxide contains

70 %

metal with molar mass of metal is

56

. And the molar mass of compound is

160

.its Molecular formula will be:

Q. A metal oxide contains

70 %

metal with a molar mass of metal is

56

and the molar mass of the compound is

160

. Its empirical formula will be:

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