300 K এবং 1 বায়ুমণ্ডলীয় চাপে, একটি হাইড্রোকার্বনের 10 mL সম্পূর্ণ করার জন্য 55 mL O_(2) প্রয়োজন...

At 300 K and 1 atmospheric pressure, 10 mL of a hydrocarbon required 55 mL of O_(2) for complete combustion, and 40 mL of CO_(2) is formed. The formula of the hydrocarbon is:

At 300 K and 1 atm, 15 mL of a gaseous hydrocarbon requires 375 mL air containing 20% O_(2) by volume for complete combustion. After combustion, the gases occupy 330 mL . Assuming that the water formed is in liquid form and the volumes were measured at the same temperature and pressure, the formula of the hydrocarbon is

Following solutions were prepared by mixing different volumes of NaOH and HCl of different concentrations: a. 60 mL (M)/(10) HCl + 40 mL (M)/(10) NaOH b. 55 mL (M)/(10) HCl + 45 mL (M)/(10) NaOH c.75 mL (M)/(5) HCl + 25 mL (M)/(5) NaOH d. 100 mL (M)/(10) HCl + 100 mL (M)/(10) NaOH pH of which one of them will be equal to 1 ?

If 200 mL " of " N_(2) " at " 25^(@)C and a pressure of 250 mm are mixed with 350 mL " of " O_(2) " at " 25^(@)C and a pressure of 300 mm so that, the volume of resulting mixture is 300 mL , what would be the final pressure of the mixture at 25^(@)C ?

What will be the pH of a solution formed by mixing 50 mL of 0.5 M HCl solution and 150 mL of 0.5 M NaOH solution and 300 mL H_(2) O ?