![subject](/tpl/images/cats/himiya.png)
Chemistry, 03.09.2019 23:20 marcucciisabella
What combination of substances will give a buffered solution that has a ph of 5.05? (assume each pair of substances is dissolved in 5.0 l of water.) (kb for nh3 = 1.8 *10^–5; kb for c5h5n = 1.7 * 10^–9)
a) 1.0 mole nh3 and 1.5 mole nh4cl
b) 1.5 mole nh3 and 1.0 mole nh4cl
c) 1.0 mole c5h5n and 1.5 mole c5h5nhcl
d) 1.5 mole c5h5n and 1.0 mole c5h5nhcl
e) none of these
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 19:10
Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:30
Draw a line graph showing the relationship between temperature in kelvin as a function of kinetic energy.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 01:50
Drag the tiles to the correct locations. each tile can be used more than once, but not all tiles will be used. one or more locations will remain empty. nitrosyl fluoride has the chemical formula nof nitrogen has five valence electrons, oxygen has six, and fluorine has seven. complete the lewis structure for this covalent compound. f n = = = . : : 0 : reset next um. all rights reserved us 2
Answers: 2
You know the right answer?
What combination of substances will give a buffered solution that has a ph of 5.05? (assume each pa...
Questions
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 10.03.2021 21:20
![question](/tpl/images/cats/mat.png)
Mathematics, 10.03.2021 21:20
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 10.03.2021 21:20
![question](/tpl/images/cats/mat.png)
Mathematics, 10.03.2021 21:20
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 10.03.2021 21:20
![question](/tpl/images/cats/mat.png)
Mathematics, 10.03.2021 21:20
![question](/tpl/images/cats/mat.png)
Mathematics, 10.03.2021 21:20
![question](/tpl/images/cats/mat.png)
Mathematics, 10.03.2021 21:20
![question](/tpl/images/cats/mat.png)
Mathematics, 10.03.2021 21:20
![question](/tpl/images/cats/biologiya.png)
Biology, 10.03.2021 21:20
![question](/tpl/images/cats/geografiya.png)
Geography, 10.03.2021 21:20
![question](/tpl/images/cats/istoriya.png)
History, 10.03.2021 21:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 10.03.2021 21:20