![subject](/tpl/images/cats/himiya.png)
Chemistry, 06.06.2020 21:57 Satoetoe24
Erbium (Er) is element 68 on the periodic table. A sample contains 5.04×1023 atoms of Er. Calculate the amount of Er.
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:30
What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 11:30
What is the main reason why some developing countries fear the increase the free trade policies around the world?
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 21:30
If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 22:30
How do limiting factors most affect population size? ostop population growthrestrict population growthincrease population sizeresult in positive impactso
Answers: 1
You know the right answer?
Erbium (Er) is element 68 on the periodic table. A sample contains 5.04×1023 atoms of Er. Calculate...
Questions
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
English, 23.02.2021 18:00
![question](/tpl/images/cats/mat.png)
Mathematics, 23.02.2021 18:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.02.2021 18:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 23.02.2021 18:00
![question](/tpl/images/cats/mat.png)
Mathematics, 23.02.2021 18:00
![question](/tpl/images/cats/mat.png)
Mathematics, 23.02.2021 18:00
![question](/tpl/images/cats/mat.png)
Mathematics, 23.02.2021 18:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.02.2021 18:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.02.2021 18:00
![question](/tpl/images/cats/mat.png)
Mathematics, 23.02.2021 18:00