How many grams of protein are in 200ml of skim milk?

In 200 ml of skim milk, there are approximately 6.8 to 7 grams of protein. Skim milk typically contains about 3.4 grams of protein per 100 ml, so doubling that amount for 200 ml gives you around 6.8 grams. The exact amount may vary slightly depending on the brand or specific product.