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[" An industrial waste water is found to...

[" An industrial waste water is found to contain "],[8.2%Na_(3)PO_(4)" and "12%MgSO_(4)" by mass in solution."],[" If "%" ionisation of "Na_(3)PO_(4)" and "MgSO_(4)" are "50" and "],[60" respectively then its normal boiling point is "],[[K_(b)(H_(2)O)=0.50Kkgmol^(-1)]:],[[" (1) "102.3^(@)C," (2) "103.35^(@)C],[" (3) "101.785^(@)C," (4) None of these "]]

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An industrial waste water I found to contain 8.2% Na_(3)PO_(4) and 12% MgSO_(4) by mass in solution. If % ionisation of Na_(3)PO_(4) "and"MgSO_(4) Are 50 and 60 respectively then its normal boiliung point is [ K_(b)(H_(2)O) = 0.50 K kg "mol"^(-1) ] :

An industrial waste water I found to contain 8.2% Na_(3)PO_(4) and 12% MgSO_(4) by mass in solution. If % ionisation of Na_(3)PO_(4) "and"MgSO_(4) Are 50 and 60 respectively then its normal boiliung point is [ K_(b)(H_(2)O) = 0.50 K kg "mol"^(-1) ] :

What will be the normality of a solution containing 4.9 g H_(3) PO_(4) dissolved in 500 ml water ?

What is the n-factor for H_(3)PO_(4) in the reaction 2NaOH+H_(3)PO_(4)rarr Na_(2)HPO_(4)+2H_(2)O ?

What is the n-factor for H_(2)PO_(4) in the reaction 2NaOH+H_(3)PO_(4)rarr Na_(2)HPO_(4)+2H_(2)O ?

pH of 0.1M Na_(2)HPO_(4) and 0.2M NaH_(2)PO_(4) are respectively: (pK_(a)"for" H_(3)PO_(4) are 2.12, 7.21 and 12.0 for respective dissociation to H_2PO_(4)^(-), HPO_(4)^(2-) and PO_(4)^(3-)) :