Which statement best describes a mole?
it is 12 units of a given substance.
it contains...
![subject](/tpl/images/cats/himiya.png)
Chemistry, 17.09.2019 20:30 j1theking18
Which statement best describes a mole?
it is 12 units of a given substance.
it contains 6.02 mc001-1.jpg 1023 grams of sodium chloride.
it is the mass of 12 carbon atoms.
it contains 6.02 mc001-2.jpg 1023 particles of a given substance.
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 21:30
Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 00:00
Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 03:40
Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:50
Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.06.2020 22:01
![question](/tpl/images/cats/en.png)
English, 05.06.2020 22:01
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 05.06.2020 22:01
![question](/tpl/images/cats/health.png)
Health, 05.06.2020 22:01
![question](/tpl/images/cats/mat.png)
Mathematics, 05.06.2020 22:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 05.06.2020 22:01
![question](/tpl/images/cats/mat.png)
Mathematics, 05.06.2020 22:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
English, 05.06.2020 22:01
![question](/tpl/images/cats/mat.png)
Mathematics, 05.06.2020 22:01
![question](/tpl/images/cats/mat.png)