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Answer:
0.1688L of the 1M NaOH stock solution
Explanation:
A 215mM = 0.215M solution of NaOH contains 0.215 moles per liter. As you want to prepare 785mL = 0.785L of the 0.215M you will need:
0.785L × ( 0.215mol / L) = 0.1688 moles of NaOH.
<em>These moles of NaOH comes from the 1M stock solution</em>, that means the volume of 1M NaOH solution you need is:
0.1688 moles NaOH × (1L / 1mol) =
<h3>0.1688L of the 1M NaOH stock solution</h3>
Answer:
See detailed explanation.
Explanation:
Hello there!
In this case, according to the given information, it turns out possible for us to tell that neutralization reactions are usually double replacement reactions whereby an acid reacts with a base, commonly a hydroxide, in order to obtain a salt product and water.
They are called neutralization because they look for the neutral pH, 7, as a result of the reaction. Thus, the aforementioned can be depicted by bearing to mind the example of the neutralization of hydrochloric acid with sodium hydroxide to yield sodium chloride (salt) and water:
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Answer:
Mg(OH)₂(s) + 2HCl(aq) ----> MgCl₂(aq) + 2H₂O(l)
Explanation:
Magnesium hydroxide is a white solid that is sparingly soluble in water. It is a basic hydroxide, therefore it neutralizes acids to form salt and water.
Magnesium hydroxide commonly used as an antacid, for example milk of magnesia, because it reduces stomach acid, and increases water in the intestines which may induce bowel movements. It also relieves indigestion, sour stomach, and heartburn. Magnesium hydroxide is also used as a laxative to relieve occasional constipation.
The equation for the reaction between magnesium hydroxide and stomach acid, HCl, is as follows:
Mg(OH)₂(s) + 2HCl(aq) ----> MgCl₂(aq) + 2H₂O(l)
Answer:
Diatomic molecules are molecules composed of only two atoms, of the same or different chemical elements. The prefix di- is of Greek origin, meaning "two
Explanation: