Hey there!
Molar mass C2H6O = 46.0684 g/mol
Number of moles:
n = mass of solute / molar mass
n = 70.6 / 46.0684
n = 1.532 moles
Therefore:
M = number of moles / volume ( L )
M = 1.532 / 2.25
= 0.680 M
Hope that helps!
A battery is a device that is able to store electrical<span> energy in the form of chemical energy, and convert that energy into </span>electricity
The second one should be correct
4.24 L i am taking the test rn and I am almost positive that 4.24 is the answer, hope this helps!
The magnitude of the force required to change the length of a spring-like object is directly proportional to the spring constant and the displacement of the spring. Elastic potential energy is directly proportional to the square of the change in length and the spring constant.
