Answer:
Procedure (2)
Explanation:
Assume the dialyses come to equilibrium in the allotted times.
Procedure (1)
If you are dialyzing 5 mL of sample against 4 L of water, the concentration of NaCl will be decreased by a factor of
Procedure (2)
For the first dialysis, the factor is
After a second dialysis, the original concentration of NaCl will be reduced by a factor of
Procedure (2) is more efficient by a factor of
Answer:
nothing
Explanation:
aslong as nothing falls off fhen the mass and weight wont change
Answer:
Physical change is a temporary change. A chemical change is a permanent change.
Explanation:
A Physical change affects only physical properties i.e. shape, size, etc. Chemical change both physical and chemical properties of the substance including its composition.
N2H4
H3CO2H
C2H2O4
This should be the right answer, let me know if its not so i can know for future.
Answer: Magnesium and Aluminum Mg & Al
Explanation:Magnesium's atomic mass is 24.31 and Aluminum's atomic mass is 26.98.
