There are 422 mg of potassium in a half medium baked potato. (So 844 for a whole one)
There is quite a bit of ambiguity about the skin and being cooked or raw, but the about figure is cooked with skin. (Source) http://www.drugs.com/cg/potassium-content-of-foods-list.html
How much does a medium sized onion weigh?
A medium-sized pickle typically weighs around 70-80 grams.
That is approximately 50 grams
A healthy, well bred hedgehog should weigh 13oz to a pound, maybe more.
The weight of a single Idaho potato can vary widely depending on its size, but an average medium-sized Idaho potato typically weighs around 5 to 10 ounces (140 to 280 grams). Larger varieties can weigh over a pound, while smaller ones may weigh less than 5 ounces. The weight can also be affected by moisture content and growing conditions.
How much a plum weighs depends upon its size. A medium sized plum with a diameter of 2 inches would weigh about 80 grams.
On average, a medium-sized lemon weighs about 0.1 kilograms or 100 grams.
Medium size lemon could weigh up to 3 or 4 ounces depending on size
A medium-sized zucchini typically weighs between 6 to 8 ounces (170 to 227 grams). Its size can vary slightly based on the variety and growing conditions, but this weight range is generally considered standard for a medium zucchini.
potato
The weight of a guava can vary depending on size, but on average a medium-sized guava weighs about 250-300 grams.
On average, a medium-sized capsicum weighs about 200 grams. However, this can vary depending on the size and variety of the capsicum.