What ratio of NaCN to HCN is needed to prepare a pH 9.60 buffer?
(Ka of HCN is 4.9 ~ 10-10)...
![subject](/tpl/images/cats/himiya.png)
Chemistry, 16.04.2021 22:40 jngonzo1226
What ratio of NaCN to HCN is needed to prepare a pH 9.60 buffer?
(Ka of HCN is 4.9 ~ 10-10)
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 18:00
Which of the following is a compound? a.carbon b.oxygen c.hydrogen d.water
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 17:30
The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 19:40
What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 24.03.2021 21:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 24.03.2021 21:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
English, 24.03.2021 21:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.03.2021 21:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.03.2021 21:00
![question](/tpl/images/cats/mkx.png)
Arts, 24.03.2021 21:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
History, 24.03.2021 21:00
![question](/tpl/images/cats/mat.png)
Mathematics, 24.03.2021 21:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.03.2021 21:00
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 24.03.2021 21:00