![subject](/tpl/images/cats/himiya.png)
Chemistry, 15.07.2019 20:10 brendanholly123
Copy of a buffer consists of 0.33 m na2hpo4 and 0.28 m na3po4. given that the k values for h3po4 are, ka1 = 7.2 x 10-3, ka2 = 6.3 x 10-8, and ka3 = 4.2 x 10-13, calculate the ph for this buffer
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 12:50
Which of these describes the rate of this chemical reaction? h2 + cl2 → 2 hcl a. an increase in the concentration of hcl and h2 with time b. an increase in the concentration of hcl with time c. an increase in h2 and cl2 with time d. a decrease in hcl and cl2 with time
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 14:00
If you fill your car tire to a pressure of 32 psi (pounds per square inch) on a hot summer day when the temperature is 35°c (95°f), what is the pressure (in psi) on a cold winter day when the temperature is -15°c (5°f)? assume no gas leaks out between measurements and the volume of the tire does not change.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 14:50
Write an equation to show action of positive and negative catalyst
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 16:30
All chemical reactions use reactants in a specific proportion or stoichiometry to form products. the reactant regulates the amount of products produced. a) excess b) limiting c) proportional d) stoichiometric
Answers: 1
You know the right answer?
Copy of a buffer consists of 0.33 m na2hpo4 and 0.28 m na3po4. given that the k values for h3po4 are...
Questions
![question](/tpl/images/cats/istoriya.png)
History, 29.08.2019 00:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 29.08.2019 00:30
![question](/tpl/images/cats/mat.png)
Mathematics, 29.08.2019 00:30
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
English, 29.08.2019 00:30
![question](/tpl/images/cats/mat.png)
Mathematics, 29.08.2019 00:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 29.08.2019 00:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 29.08.2019 00:30
![question](/tpl/images/cats/mat.png)
Mathematics, 29.08.2019 00:30
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 29.08.2019 00:30
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 29.08.2019 00:30