![subject](/tpl/images/cats/himiya.png)
Chemistry, 06.12.2020 08:10 gyexisromero10
0.20 g of sodium hydroxide (NaOH) pellets are dissolved in water to make 4.5 L of solution. What is the pH of this solution?
Express the pH numerically to two decimal places.
A certain weak acid, HA, has a Ka value of 5.5×10−7.
Part A
Calculate the percent ionization of HA in a 0.10 M solution.
Express your answer to two significant figures and include the appropriate units.
Calculate the percent ionization of HA in a 0.010 M solution.
Express your answer to two significant figures, and include the appropriate units.
[H+]= 1.1×10−9 M .
Express the molarity to two significant digits.
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Chemistry
![image](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 21:00, alaina3792
Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal
Answers: 2
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 01:30, EMQPWE
In a spacecraft, the following reaction occurs: co2(g) + 2lioh(s) -> lico3(s) + h2o(i) (i attached picture of equation) how many liters of carbon dioxide will 4 moles of lithium hydroxide (lioh) absorb? (one mole of any gads occupies 22.4 l under certain conditions of temperature and pressure. assume those conditions for this equation.) 45l 6.0l 3.0l 34l
Answers: 1
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 09:50, Amandachavez94
Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange
Answers: 1
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 17:20, holmesleauja
Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?
Answers: 2
You know the right answer?
0.20 g of sodium hydroxide (NaOH) pellets are dissolved in water to make 4.5 L of solution. What is...
Questions in other subjects:
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/en.png)
English, 16.03.2020 20:51
![Konu](/tpl/images/cats/istoriya.png)
History, 16.03.2020 20:51
![Konu](/tpl/images/cats/mat.png)
Mathematics, 16.03.2020 20:51
![Konu](/tpl/images/cats/mat.png)
Mathematics, 16.03.2020 20:51
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 16.03.2020 20:51