Milk products
It's in milk and other things with lactose.
Ascetic acid (vinegar) Lactic acid (sour milk)
No. You would generally only find lactic acid in milk that has gone sour. Milk is a mixture of water, fat, protein, carbohydrates, and minerals.
In normal, unspoiled milk, there are no acids found. As milk starts to spoil, lactic acid becomes the predominate acid.
To calculate the grams of lactic acid in a 0.5M solution, you need the molar mass of lactic acid, which is approximately 90 g/mol. Then, you can use the formula: mass (g) = molarity (mol/L) x volume (L) x molar mass (g/mol). If you have the volume of the solution, you can plug in the values to find the grams of lactic acid.
HCl in the stomach H2CO3 Lactic acid
Fermentation in pickles in uncontrolled fermentation so we can find many different type of microorganisms. However its mostly lactic acid bacteria that digest sugars in cucumbers and produce lactic acid.
Yes, milk contains a small amount of lactic acid, which is a byproduct of the fermentation process carried out by certain types of bacteria present in milk. However, the overall pH of milk is close to neutral.
Lactic acid is naturally found in dairy products like yogurt and cheese, as well as in fermented foods like sauerkraut and kimchi. It is also produced in the muscles during intense exercise as a byproduct of anaerobic metabolism.
Everyone who has even thought about exercising has heard the warnings about lactic acid. It builds up in your muscles. It is what makes your muscles burn. Its buildup is what makes your muscles tire and give out. Coaches and personal trainers tell athletes and exercisers that they have to learn to work out at just below their "lactic threshold," that point of diminishing returns when lactic acid starts to accumulate. Some athletes even have blood tests to find their personal lactic thresholds. But that, it turns out, is all wrong. Lactic acid is actually a fuel, not a caustic waste product. Muscles make it deliberately, producing it from glucose, and they burn it to obtain energy. The reason trained athletes can perform so hard and so long is because their intense training causes their muscles to adapt so they more readily and efficiently absorb lactic acid.
You can find acid toner products at various beauty stores, online retailers, or at the skincare section of department stores. Popular acid toners include products containing glycolic acid, salicylic acid, or lactic acid. Be sure to read reviews and consider your skin type before purchasing.
I'm unable to show you pictures, but you can easily find illustrations or diagrams of lactic acid fermentation by doing a simple image search on the internet. These visuals can help you understand the process better.