![subject](/tpl/images/cats/mat.png)
Mathematics, 14.09.2021 01:00 avahrider1
Lead metal can be extracted from a mineral called galena, which contains 86.6% lead by mass. A particular ore contains 68.5% galena by mass. If the lead can be extracted with 92.5 % efficiency, what mass of ore is required to make a lead sphere with a 6.50cm radius?
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:00, Alexishp33
What is the length of the unknown leg in the right triangle ?
Answers: 2
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 03:30, davidsouth444
Calculate the mean value (expected value) of the following discrete variable x (10 points): x = 0, 1, 2, 3, 4, 5, 6 p(x) = 0.2, 0.2, 0.15, 0.15, 0.15, 0.1, 0.05
Answers: 1
You know the right answer?
Lead metal can be extracted from a mineral called galena, which contains 86.6% lead by mass. A parti...
Questions in other subjects:
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/biologiya.png)
Biology, 09.02.2021 05:20
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/health.png)
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 09.02.2021 05:20
![Konu](/tpl/images/cats/biologiya.png)
Biology, 09.02.2021 05:20
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mkx.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 09.02.2021 05:20