![subject](/tpl/images/cats/himiya.png)
Chemistry, 16.08.2021 21:20 naomicervero
A solution is prepared by dissolving 8.83 g of Na2SO4 in enough water to make 225 mL of solution. Calculate the solution molarity.
1) 0.723 M
2) 0.135 M
3) 0.276 M
4) 0.610 M
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 13:00
One of the hopes for solving the world's energy problem is to make use of the fusion reaction 21h +31h --> 42he + 10n + energy how much energy is released when 1 mol of deuterium is fused with 1 mol of tritium according to the above reaction? the masses of the atoms and the neutrons are as follows: 21h = 2.0140 amu 31h = 3.01605 amu 42he = 4.002603 amu 10n = 1.008665 amu. the speed of light is 2.9979 x 108 m/s.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 22:30
What methods could you use to solubilize calcium carbonate
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 02:50
What is the typical rotational frequency frot for a molecule like n2 at room temperature (25βc)? assume that d for this molecule is 1Γ₯=10β10m. take the total mass of an n2 molecule to be mn2=4.65Γ10β26kg. you will need to account for rotations around two axes (not just one) to find the correct frequency. express frot numerically in hertz, to three significant figures.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 09:00
A2-kg bowling ball is 1 meter off the ground on a post when it falls. just before it reaches the ground,its traveling 4.4 m/s. assuming that there is no air resistant, which statement is true a. the initial potential energy is less then the final kinetic energy b. the mechanical energy is not conserved c. the mechanical energy is conserved d. the initial potential energy is greater than the final kinetic energy
Answers: 3
You know the right answer?
A solution is prepared by dissolving 8.83 g of Na2SO4 in enough water to make 225 mL of solution. Ca...
Questions
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/health.png)
Health, 28.08.2019 20:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
Health, 28.08.2019 20:30
![question](/tpl/images/cats/istoriya.png)
History, 28.08.2019 20:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 28.08.2019 20:30
![question](/tpl/images/cats/mat.png)
Mathematics, 28.08.2019 20:30
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 28.08.2019 20:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 28.08.2019 20:30
![question](/tpl/images/cats/istoriya.png)
History, 28.08.2019 20:30
![question](/tpl/images/cats/en.png)