![Chemistry](/tpl/images/cats/himiya.png)
![answer](/tpl/images/cats/otvet.png)
Answers: 3
Other questions on the subject: Chemistry
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 18:00, kyllow5644
Answer asap need to be answered by wednesday morning explain how a buffer works, using an ethanoic acid / sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.
Answers: 3
![image](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 05:30, jalynholden07
Based on the formulas, select the compounds below that are covalent: kbr sif4 al2o3 co2 naco3 s7o2 pcl3 fe3n2 h2o s2f10
Answers: 3
![image](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 05:40, shelbylynn1093
Why is it incorrect to balance a chemical equation by changing the subscripts? explain.
Answers: 2
Do you know the correct answer?
Nutritional tables give the potassium content of a standard apple (3 apples/lb) as 159 mg. How many...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 19.11.2020 19:00
![Konu](/tpl/images/cats/istoriya.png)
History, 19.11.2020 19:00
![Konu](/tpl/images/cats/health.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 19.11.2020 19:00
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/fizika.png)
Physics, 19.11.2020 19:00
![Konu](/tpl/images/cats/mat.png)
Mathematics, 19.11.2020 19:00
![Konu](/tpl/images/cats/ekonomika.png)