State what is the initial ph of buffer

Reference no: EM13162557

1. A 500mL Buffer solution is 0.150 M in HNO2 and 0.175 in KNO2. The Ka for HNO2 is 4.6x10-4. What is the initial pH of this buffer? 2. What is the pH of the buffer in question 1 if 0.0049 moles of HCl are added assuming no change in volume.

Reference no: EM13162557

Questions Cloud

Effects of the strategies on both gdp and unemployment : One government strategy to provide for economic stability and encourage economic growth is to provide tax reductions or tax incentives for individuals and businesses. An alternative approach is to increase government spending to accomplish these g..

How many moles of oxygen were in the sample : If 5.50 of the unknown compound contained 0.183 of and 0.367 of , how many moles of oxygen, , were in the sample.

Derive an expression for the subsequent concentration : Derive an expression for the subsequent concentration of sodium chloride c in terms of c0, t, Q, and V. Make a sketch of c versus t and label the main features.

Which of your current costs are implicit : Which of your current costs are implicit, and which are explicit and suppose The Breakfast Club, Inc. offers to pay $800/month to use the building

State what is the initial ph of buffer : What is the initial pH of this buffer? 2. What is the pH of the buffer in question

Have an array of integers with user input instead of given : change the current code to have an array of integers with user input intead of given input from the main where it says int[] a=....; And also from a text file but the same numbers as what is given in main.

State sodium thiosulfate solution : A chemist must dilute 80.5mL of 126mM aqueous sodium thiosulfate solution until the concentration falls to 110.mM . He'll do this by adding distilled water to the solution until it reaches a certain final volume.

What are the percentages of co2 and ne in the sample by mole : If the sample contains a combined total of 1.90 mol and has a total mass of 60.3g, what are the percentages of CO2 and Ne in the sample by mole?

What was the concentration of the solution : A 515- sample of unknown solution reacts completely with to form 20.1 . What was the concentration of the solution?

User Account

All Pages