when brought to the surface of the moon will a mass have more or less weight than it did on the surface of earth or stay the same ?

The mass will be the same on the moon. The weight will be less there. (About 1/6 as much as on Earth)

what is net ionic equation for FeSO4 + KCl = FeCl2 + K2SO4?

Whatever it is, it has nothing to do with the moon.

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When an object is brought to the surface of the moon, its weight will be less than what it was on the surface of the Earth. This is because weight is the force exerted by gravity on an object, and the moon has significantly less gravitational pull compared to the Earth.

To understand why this happens, we need to consider the concept of gravitational acceleration. The acceleration due to gravity on the moon is approximately 1/6th of the acceleration due to gravity on Earth. This means that if you were to drop an object on the moon, it would fall about 1/6th as fast as it would on Earth.

Weight is calculated using the formula:

Weight = mass x acceleration due to gravity

Since the acceleration due to gravity on the moon is less than on Earth, the weight of an object will also be less on the moon. However, it's important to note that the mass of an object remains the same regardless of its location. Mass is a measure of the amount of matter in an object and is constant.

So, to summarize, when brought to the surface of the moon, an object will have less weight compared to the surface of the Earth, while its mass remains the same.