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Grade: 12 

                        
Certain moles of Co2 is dissolved in excess NaOH, resulting sol is divided into 2 equal parts.one part needs 30 ml of 2.5 N HCl, other needs 40ml 2.5 HCl .mass of Co2 dissolved?
2 years ago

Answers : (1)

Charu
28 Points 
							
    	
  • Mole of Na2CO3 present in one half= 2.5 x 10 x 10 ^-3
    • 	
  • Moles of Na2CO3 in full solution= 2x 2.5 x 10 x 10^-3 
    • 	
  • Moles of CO2 = 5 x 10^-2
10 months ago
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