Compute ph of the solution after addition mols of koh

Assignment Help Chemistry

Reference no: EM13207278

A buffer is prepared by mixing 0.25 mols of NaNO2 and 0.75 mols of HNO2 in 1.0L of water. Calculate pH of the solution after addition of 0.20 mols of KOH. The Ka for HNO2 is 4.3*10^-4

Reference no: EM13207278

Questions Cloud

Depict an approximante titration curve : Draw an approximante titration curve for the titration of 75 mL of 0.020 M NH3 (pKa of NH4=9.24) with 0.10 M HCl. Label the axes

Domestic violence within the family : Explain how you will respond if there is domestic violence within the family you work for and find the list three resources available in your community for children who have been abused, where you can report abuse

Why swedes are visiting the art galleries and cafe : The people managing the bridge consortium say they always expected a dip in car traffic from a summer peak of 20,000 vehicles a day. But they admit that the current daily flow of 6,000 vehicles or so must increase if the bridge is to pay its way i..

Explain what weight of a water by a single extraction : What weight of A would be removed from a solution of 21 g of A in 50 mL of water by a single extraction

Compute ph of the solution after addition mols of koh : Calculate pH of the solution after addition of 0.20 mols of KOH. The Ka for HNO2 is 4.3*10^-4

Discuss in text are rent control and agricultural subsidies : Describe a situation where prices have been held out of equilibrium due to government intervention in the market-the obvious ones discussed in the text are rent control and agricultural subsidies. You may use a specific example of one of these, or..

Compute the ph of the solution that results acetic acid : calculate the pH of the solution that results from adding 8.50ml of 0.100M NaOH to 50.00 mL of a 0.0500M solution of acetic acid.

Explain solution of hydrochloric acid : Calculate the pH of the solution that results from adding 28.0ml of 0.100M NaOH to 50.00 mL of a 0.0500 M solution of hydrochloric acid

What is present worth of planned expenditures at an interest : a company expects to replace office machines and computer equipment at various times over the 6-year planning period. Specifically. The company expects to spend $21000 two years from now. $24000 three years from now. $10000 five years from now.

User Account

All Pages