11th Class Chemistry Some Basic Concepts of Chemistry

  • question_answer 14) Calculate the concentration of nitric acid in moles per litre in a sample which has density, \[1.41g\,m{{L}^{-1}}\] and has mass per cent of nitric acid in it being 69%.


    We know, \[M=\frac{x\times d\times 10}{{{m}_{B}}}\] where \[x=\] Percentage by mass of solute \[d=\] density of solution \[{{m}_{B}}\] = molar mass of solute \[M=\frac{69\times 1.41\times 10}{63}=15.44\]  

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