I'm not a raw do-it-yourselfer-feeder (I do supplement their diets with some purchased raw formulations though), but from some other die-hard raw people that have been here, I think two of the best resources for raw diet info are:
https://www.facebook.com/groups/CatCrap ... Czv0Nsk51Yand
https://catinfo.org/I'm not sure if anyone is going to be able to provide a scientifically verified weight-to-food weight per meal ratio. That's tough, because it's going to depend on activity level and calorie burn too, right? I think the most common approach is to feed what your cat will eat in one sitting, and then when she gets closer to adulthood, carefully monitor body-shape to adjust up or down.