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Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

What is the mass of 0.46 mil of mgcl2

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car