Std 10 gujarati ch 15 bolie na Kai swadhyay solution , dhoran 10 gujarati kavya 15 bolie na Kai swadhyay solution

Calculate the mass precent of a solution obtine by mixing 100 g of 10% urea solution with 150 g of 15% urea solution.

What is the strength in gram per litre of a solution of H_(2)SO_(4), 12 mL of which neutralised by 15 mL of N//10 NaOH solution?

Find the solution of the equation 5x – 10 = 15 by trial and error method.

10 " mL of " 2 M HCl and 20 " mL of " 1 M HNO_3 and V volume of 5M H_2SO_4 are mixed together and the solution was made upto 5 L. 10 " mL of " this acid solution exactly neutralises 28.6 " mL of " Na_2CO_3 solution containing 1 g of Na_2CO_4.10H_2O in 100 " mL of " water. Calculate the amount of SO_4^(2-) ions in grams present in solution.

15 ml of NaOH solution gets complete neutralised with 10 ml of HCI solution. What volume of the same HCI soluction will be required to neutralise 30 ml of same NaOH solution ?

If 10.0 mL of hypo solution (Na_2S_2O_3. 5H_2 ) is decolorized by 15 mL of M//40 iodine solution , then the concentration of hypo solution is "____" g dm^(-3) .