![subject](/tpl/images/cats/himiya.png)
Chemistry, 08.03.2021 21:50 juan01sebastian00
Please help! Find the number of calcium ions in 2.5 g of calcium phosphate, Ca3(PO4)2 The answer is 2.4 x 10^21 Ca2+ ions, please explain how to calculate this
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 08:30
For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 21:20
One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(ii) carbonate, in concentrated sulfuric acid. the sulfuric acid reacts with the copper(ii) carbonate to produce a blue solution of copper(ii) sulfate. scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: (s) (aq) (s) (aq) suppose an industrial quality-control chemist analyzes a sample from a copper processing plant in the following way. he adds powdered iron to a copper(ii) sulfate sample from the plant until no more copper will precipitate. he then washes, dries, and weighs the precipitate, and finds that it has a mass of .
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 01:00
Which polymers are most closely related? a. protein and nucleic acids b. cellulose and starch c. nucleic acids and starch d. nucleic acids and cellulose
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 03:00
What volume does 1.70 ×10–3 mol of chlorine gas occupy if its temperature is 20.2 °c and its pressure is 795 mm hg?
Answers: 3
You know the right answer?
Please help! Find the number of calcium ions in 2.5 g of calcium phosphate, Ca3(PO4)2
The answer is...
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 05.09.2019 23:10
![question](/tpl/images/cats/mat.png)
Mathematics, 05.09.2019 23:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.09.2019 23:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 05.09.2019 23:10
![question](/tpl/images/cats/istoriya.png)
History, 05.09.2019 23:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 05.09.2019 23:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.09.2019 23:10
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)