![subject](/tpl/images/cats/himiya.png)
Chemistry, 05.05.2020 09:35 mathbrain58
How many milliliters of water must be added to 50 ml of a 0.40 m sodium phosphate solution to prepare a solution that has a concentration of 0.40 m sodium ions?
![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, 22.06.2019 11:00
Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean
Answers: 2
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 11:00
Which of the following reactions is endothermic? h2(g) + ½ o2(g) h2o(g), h = -57.82 kcal ½n2(g) + o2(g) + 8.1 kcal no2(g) ½ n2(g) + 3/2 h2(g) nh3(g) + 11.0 kcal c(diamond) + o2(g) co2, h = -94.50 kcal
Answers: 2
You know the right answer?
How many milliliters of water must be added to 50 ml of a 0.40 m sodium phosphate solution to prepar...
Questions
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.12.2019 21:31
![question](/tpl/images/cats/istoriya.png)
History, 04.12.2019 21:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.12.2019 21:31
![question](/tpl/images/cats/mat.png)
Mathematics, 04.12.2019 21:31
![question](/tpl/images/cats/mat.png)
Mathematics, 04.12.2019 21:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.12.2019 21:31
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 04.12.2019 21:31
![question](/tpl/images/cats/mat.png)
Mathematics, 04.12.2019 21:31
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 04.12.2019 21:31
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.12.2019 21:31
![question](/tpl/images/cats/biologiya.png)
Biology, 04.12.2019 21:31