Recording station x has determined that the epicenter of a recent earthquake was 250 km away. no information is available yet from any other recording stations. what can you conclude about the location of the epicenter?

In seismology, the epicenter refers to the point on the surface of the Earth directly above the focus or a hypocenter, that is, the point where an underground explosion or an earthquake originates. In the given case, the recording station has demonstrated that the epicenter of the recent earthquake was 250 kilometers away, this shows that epicenter was situated somewhere on a circle centered at the recording station within a radius of 250 kilometers.

the dissociation of nickel hydroxide is follows:

the concentration of hydroxide ion is

the equilibrium constant value of nickel hydroxide is = 6.1 * 10^-^1^6 and thus equilibrium equation can be written as:

thus, concentration of ni is 0.23 * 10^-^4 mol /l