Russkiygus8930 Russkiygus8930

16-05-2024
Chemistry

Answered

Calculate the pH of a solution that is 0.322 M in nitrous acid (HNO₂) and 0.178 M in potassium nitrite (KNO₂). The acid dissociation constant (Ka) of nitrous acid is 4.50 x 10⁻⁴
A. 14.26
B. 3.607
C. 3.093
D. 10.91
E. 4.589

Answer :

Other Questions

Codons are found on which molecule?A. DNAB. mRNAC. tRNAD. Proteins

A company produces car components but because of high demand, the management feels it won't be able to produce all t outsources a certain part of its production

Use Table B in your Student Guide to answer the questions about ion concentrations.1. A solution with a [tex]$pH = 13$[/tex] has approximately how many moles of

Which scale would be the most appropriate for the y-axis of a graph of the amount of snowfall that an area receives in the winter?A. -5 to 25 inchesB. 0 to 25 f

In a negotiation it is crucial to have effectively prepared your Solution Away From the Table (SAFT) Why? Select the right answers among those below. It will e

Fiona draws a circle with a diameter of 14 meters. What is the area of Fiona's circle?A. [tex]7 \pi \, m^2[/tex]B. [tex]14 \pi \, m^2[/tex]C. [tex]28 \pi \, m^2

For each scenario, record the carbon dioxide emission rate and the global temperature. The data for the years 1960-2010 are already filled out for you.Scenario

Convert the following:A. ADP to ATP B. ATP to ADP C. [tex]NADP ^{+}[/tex] to [tex]NADPH[/tex] D. [tex]CO_2[/tex] and [tex]H_2O[/tex] to [tex]C_6H_{12}O_6[/te

A [tex]$9.0 \text{ cm}$[/tex] object is [tex]$3.0 \text{ cm}$[/tex] from a lens, which has a focal length of [tex]$-12.0 \text{ cm}$[/tex]. a. What is the dista

Select the correct answer.Caroline rewrote a quadratic equation in vertex form by completing the square, but her work has errors.[tex]\[ \begin{aligned} f(x) &a

name three different pairs of fractions that have the same product when multiplied?The above is the question.I understand equivelant fractions but what does the

Gavin had $5460.40 that he divided into tow bank accounts. he deposited 3/8 into a savings account. he deposited the rest into his checking account. How much mo

estimate: 1,374x 6please help me

8X + 3 =5x - 18 Can someone please help me

3-3k+7k=5b solve for k

3-3k+7k=5b solve for k

true or false , Dias' exploration was before Columbus and was the beginning of a sea route to india?

Is the fraction 36/9 considered a whole number and counting number?

What new source of power for the national government emerged in the Smith-Lever Act?

Use skid in a sentence