![subject](/tpl/images/cats/himiya.png)
Chemistry, 20.11.2020 19:00 kenyamaclark1847
How many atoms of gold are present in a 250 kg sample of sylvanite?
Group of answer choices
7.18 X 10^25 Au atoms
6.02 X 10^23 Au atoms
5.18 X 10^25 Au atoms
4.49 X 10^26 Au atoms
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/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 05:30
You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 13:00
How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 14:50
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
You know the right answer?
How many atoms of gold are present in a 250 kg sample of sylvanite?
Group of answer choices
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 15.10.2019 18:00
![question](/tpl/images/cats/istoriya.png)
History, 15.10.2019 18:00
![question](/tpl/images/cats/fr.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.10.2019 18:00
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 15.10.2019 18:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 15.10.2019 18:00
![question](/tpl/images/cats/ekonomika.png)
Business, 15.10.2019 18:00
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.10.2019 18:00
![question](/tpl/images/cats/istoriya.png)
History, 15.10.2019 18:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 15.10.2019 18:00
![question](/tpl/images/cats/en.png)
English, 15.10.2019 18:00
![question](/tpl/images/cats/mat.png)