The atomic number defines the number of protons in an atom.
Bromate anion I hope this helps.
X: part of the cell that is the anode
Answer: True the dilution formula is a balanced of mole of the solute..
Explanation:
M1V1 = M2V2
When M1= 1.2M, M2= 0.25M V2= 1.4L and V1= ?
Then V1= 0.25*1.4/1.2
= 0.29
This indicate that 0.29L of the 1.2M NH4Cl will be dilluted to 0.25M in 1.4L of the solution....
The mole number of the solute remain constant
Answer:
![P_{H_2}=1.9kPa](https://tex.z-dn.net/?f=P_%7BH_2%7D%3D1.9kPa)
Explanation:
Hello,
Here, by using the Dalton's law, we can quantify the total pressure of a gaseous mixture by knowing the partial pressure of each gas, in case, hydrogen, helium and argon:
![P_T=P_{H_2}+P_{He}+P_{Ar}](https://tex.z-dn.net/?f=P_T%3DP_%7BH_2%7D%2BP_%7BHe%7D%2BP_%7BAr%7D)
In such a way, since we actually know the partial pressure of helium and argon, and the total pressure, we can compute the partial pressure of hydrogen as shown below:
![P_{H_2}=P_T-P_{He}+P_{Ar}=99.3kPa-42.7kPa-54.7kPa\\\\P_{H_2}=1.9kPa](https://tex.z-dn.net/?f=P_%7BH_2%7D%3DP_T-P_%7BHe%7D%2BP_%7BAr%7D%3D99.3kPa-42.7kPa-54.7kPa%5C%5C%5C%5CP_%7BH_2%7D%3D1.9kPa)
Best regards.