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What is resin...

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What is resin? What's its use in numerical

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Q. The molecular formula of a commercial resin used for exchanging ions in water softening is

C_{8} H_{7} S O_{3} N a (M o l . W t . 206 g m o l^{- 1})

.What would be the maximum uptake of

C a^{2 +}

ions by the resin when expressed in mole per gram resin?

What is resin code? How are resin codes numbered?

Q. What will be the limit of resolution of a microscope if its numerical aperture is 0.12 and the wavelength of the light used is 6000

A^{0}

(numerical aperture =

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Q. The molecular formula of a commercial resin used for exchanging ions in water softening is

C_{8} H_{7} S O_{3} N a

(

molecular weight

206)

. What would be the maximum uptake of

C a^{2 +}

ions by the resin when expressed in mole per gram resin?

Q. The empirical formula of a commercial ion exchange resin is

C_{8} H_{7} S O_{3} N a (M . M = 206)

. The resin can be used to soften water according to the reaction:

C a^{2 +} + 2 C_{8} H_{7} S O_{3} N a \to C a (C_{8} H_{7} S O_{3})_{2} + 2 N a^{+}

What would be the maximum uptake of

C a^{2 +}

by the resin expressed in

mol/g

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