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Nucleophilic Substitution in Aryl Halides

26.2 mole of ...

Question

26.2 mole of NaOH mix with 20 mol H2O. Find molality of NaOH??

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N a O H

is dissloved in 18g of

H_{2} O

. Mole fraction of

N a O H

in solution and molality

(i n m o l k g^{- 1})

of the solutions respectively are :

8

N a O H

is dissolved in

18

H_{2} O

. Mole fraction of

N a O H

in solution and molality (in mol

k g^{- 1}

) of the solutions respectively are:

300 g

30 %

(w/w) NaOH solution is mixed with

500 g

40 %

N a O H

solution. What is the molality of final solution?

Q. 8 g of NaOH is dissolved in 18 g of

H_{2} O

. Find the mole fraction and molality (mol

k g^{- 1})

of NaOH in the resultant solution.

Q. 4.0 g of NaOH contained in one deciliter of a solution. Calculate the following in this solution:
(i) Mole fraction of NaOH
(ii) Molality of NaOH
(iii) Molality of NaOH
(iii) Molarity of NaOH.
(At. wt. of Na = 23, O = 16; Density of NaOH solution is 1.038

g / c m^{3}

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Nucleophilic Substitution in Aryl Halides

Standard XII Chemistry

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