Confused between Delta G and Keq?

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DingDongD

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So, I am confused about this equation:

Delta G = -RTlnK

I know delta G has to occur under standard conditions, so the reactants and products would need to be 1M. Wouldn't that make K always 1? So Delta G would always have to be 0?

Why is that I see elsewhere that K and G are related? I noticed some relationships such as if delta G>1 -> K<1. I understand it conceptually, but mathematically, I am having difficulty.

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