What is the concentration of hydrochloric acid?

What is the concentration of hydrochloric acid?

Hydrochloric acid is formed by hydrogen chloride gas (HCl) dissolved in water, in a proportion of around 37% of the gas. It is a strong inorganic acid , slightly yellowish liquid, in which its H+ cations are easily ionizable in solution.

What is the pH of Gastric juice?

Gastric juice is basically made up of water, hydrochloric acid and digestive enzymes. Its pH varies between 1.5 and 2, but in individuals with gastritis it becomes even more acidic. pH is the scale that determines acidity and goes from 0 to 14, where 0 is the most acidic and 14 the most alkaline.

Why is the pH of gastric juice acidic?

The pH of gastric juice is acidic because according to the pH scale, any substance that varies from 0 to 7 is acidic and above that is basic, and saliva is basic because it is above 7 while gastric juice varies between 1 and 3.

Which acid present in the stomach is mainly responsible for the pH of gastric juice?

Adequate amounts of magnesium hydroxide can be used to decrease stomach acidity . What acid , present in the stomach , is mainly responsible for the low pH of gastric juice ? Write the equation for the reaction between this acid and magnesium hydroxide. a) The acid present in the stomach is hydrochloric acid (HCl).

Why is the pH of the stomach acidic?

The HCl present in the juice helps to destroy bacteria present in food. It also provides the ideal acidic medium for the enzymes in the juice to act, because it promotes the reduction of pH to values ​​below 2.5. The stomach produces about three liters of gastric juice per day.

Why must the pH of the stomach remain acidic during the digestion process?


Gastric juice has a high concentration of HCl, which is produced by the parietal cells in the stomach . The highly acidic environment in the stomach causes proteins in food to lose their characteristic folded structure and become denatured, which exposes their peptide bonds and makes them easier to digest .

What causes a lack of acidity in the stomach?

Main causes In addition to being caused by gastritis and H. pylori infection, hypochlorhydria can also occur due to excessive stress and as a consequence of age, being more common in people over 65 years of age.

What causes excess acidity in the stomach?

Fatty or fried foods, highly seasoned foods, onions and garlic, tomatoes and tomato products, citrus fruits, and chocolate can cause acidity problems or make them worse.

What to do to reduce stomach acidity?

How to reduce stomach acidity

  1. Chew your food well and don’t eat too quickly. …
  2. Don’t wear clothes that are too tight. …
  3. Avoid, as far as possible, eating foods that contribute to stomach acidity , such as tomatoes, citrus fruits, alcoholic beverages, tobacco, coffee and certain medications that can produce it.
  4. Early dinner.

What is good for reducing stomach acidity?

5 home remedies to treat reflux

  1. Water with lemon. Lemon water is an ancient natural remedy widely used to relieve heartburn and reflux discomfort, as, in some people, it has the power to alkalize gastric acid and act as a natural antacid. …
  2. Ginger tea. …
  3. Sodium bicarbonate. …
  4. Chamomile tea. …
  5. Aloe vera juice.

What are the symptoms of stomach acidity?

Heartburn or acid reflux especially after a meal.

  • Burning sensation in the stomach area . Uncomfortable feeling of heat or burning in the upper abdomen.
  • Feeling of abdominal distension and discomfort. …
  • Feeling sick.

What can it be when the mouth becomes acidic?

This is the case with the aforementioned gastroesophageal reflux. Acidic saliva can also be a result of xerostomia, a problem better known as dry mouth . It can be caused by organic dehydration, the consumption of certain medications or changes in the functioning of the salivary glands.

How to relieve reflux quickly?

Homemade options that work as a remedy for reflux

  1. Lose weight. …
  2. Start a reflux diet . …
  3. Try eating raw almonds. …
  4. Drink two glasses of pure aloe vera juice a day. …
  5. Start your day with a glass of hot water and fresh lemon juice. …
  6. Try taking a tablespoon of baking soda in half a cup of water.

How to relieve heartburn immediately?

What to do to relieve heartburn immediately ?

  1. 1- Sodium bicarbonate. We already know that sodium bicarbonate has several benefits. …
  2. 2- Ginger tea. To relieve uncomfortable inflammation of the esophagus, ginger tea is very welcome. …
  3. 3- Pear juice. …
  4. 4- Chamomile tea. …
  5. 5- Eat red apple. …
  6. 6- Eat toasted bread.

What is good for reflux?

Treating reflux with home remedies can be a hassle

  • Water with lemon. They say that lemon has an alkalizing effect on the body and therefore helps to neutralize the acidity of the stomach, preventing the pain that reflux causes.
  • Ginger tea. …
  • Apple vinegar …
  • Chamomile tea. …
  • Aloe vera juice. …
  • Betaine. …
  • Mustard.

What can someone with reflux not eat?

Reflux is a digestive disorder in which stomach acids return through the esophagus, causing discomfort. What foods can people with reflux eat ?

  • Avocado;
  • Banana;
  • Coconut;
  • Fig;
  • Guava;
  • Lime orange;
  • Litter;
  • Papaya;

What to do to avoid reflux?

Check out some tips to avoid reflux .

  1. Avoid foods that contain pepper and coffee, as well as citrus drinks, as these stimulate acid production in the stomach;
  2. Eat fractionally, without filling your stomach too much;
  3. Chew your food well and eat slowly;
  4. Avoid alcoholic beverages;

What is reflux in the throat?

Gastroesophageal reflux occurs when stomach contents return to the esophagus; when it reaches the pharynx, larynx or tracheobronchial tree, it is considered pharyngolaryngeal reflux . Of all the causes of noninfectious laryngitis in adults, pharyngolaryngeal reflux is probably the most common cause.

What can reflux do to the throat?

If left untreated, reflux in the larynx and pharynx, mainly associated with drinking, drugs or cigarettes, can cause serious irritation in the throat , leading to the appearance of wounds on the vocal cords and may even turn into cancer.

What should I do when reflux attacks the throat?

Omeprazole, antacid, fruit salt, prokinetic and alginate are medications that can help those with reflux . Reflux treatment involves changing eating habits, medication and, sometimes, surgery.

What to do when reflux burns your throat?

If your throat burns due to reflux acid, drink plenty of cold water. Dilution and washing with cold water reduces inflammation and causes some local anesthesia until the acid is cleared in the throat .

When does reflux burn the throat?

It is common for gastric contents to travel to the throat region : the acid causes burning and inflammation in the region. The cough is dry and can be very strong. The acid can also travel up to the nose area. Then the rhinitis and sinusitis attacks begin.

What to do to stop the burning in your throat?

Also known as fennel, fennel is rich in anti-inflammatory substances that relieve burning in the throat and reduce reflux. Fennel tea is a home remedy for heartburn that is simple and inexpensive to prepare. Preparing the tea is very simple: place a tablespoon of fennel in a cup of boiling water.

What causes a burning throat?

Heartburn is a symptom that causes a burning sensation in the stomach area, which can extend to the throat , and which usually happens after eating a lot or eating foods rich in fat, which are more difficult to digest.

What causes heartburn and burning in the throat?

Causes . According to gastroenterologist Patrícia Rattacaso, heartburn is a condition that is normally “associated with gastroesophageal reflux disease (GERD), when gastric contents rise into the esophagus, causing a burning sensation and regurgitation”. It is estimated that the problem affects around 12% of Brazilians.

How to get rid of acidity in your throat after vomiting?

After vomiting, it is very important to drink a glass of water to remove excess stomach acid that sticks to the walls of the throat and can cause minor burns and inflammation.

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