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How many grams of solid sodium hydroxide would need to be added to completely neutralize 35.0 mL of 1.45 M HBr?
This is a titration question: we want to have the same number of hydroxide ions as hydroxide ions so that they will form water and the pH will be neutral. In chemistry, we count atoms and molecules in moles, and we can calculate how many moles of HBr we have, because concentration in molarity is the number of moles divided by the volume in liters... M = moles/V. We plug in what we got: 1.45M = moles/0.0350L, and solve for moles: 0.0508 moles.
Now we know we need 0.0508 moles of NaOH, whose molecular weight is 40g/mole. MW x moles = grams, so (40g/mole)(0.0508 moles) = 2.03 g of NaOH.
What else can I help you with?
When just enough acid has been added to neutralize the sodium hydroxide what colour will the indicator be?
The indicator will change color to indicate when just enough acid has been added to neutralize the sodium hydroxide. For example, phenolphthalein will turn colorless in an acidic solution, indicating that the base has been neutralized.
Which compound could be added to hydroiodic acid (HI) to neutralize its acidic properties?
A base such as sodium hydroxide (NaOH) can be added to hydroiodic acid (HI) to neutralize its acidic properties and form water and sodium iodide (NaI).
What volume in mLs of 0.100 M sodium hydroxide solution must be added to 20.0 mL of 0.08 M sulfuric acid solution to reach the end point?
To neutralize the sulfuric acid completely, you need a 1:2 molar ratio of sodium hydroxide to sulfuric acid. Therefore, you would need to add twice the amount of sodium hydroxide compared to the amount of sulfuric acid, which is 40.0 mL of the sodium hydroxide solution.
What alkali could be added to a strong acid to neutralise it?
To neutralise a strong acid, you would need a strong alkali (or lots of a weak alkali, but that would be impractical). Potassium hydroxide, sodium hydroxide, lithium hydroxide, calcium hydroxide, calcium hydroxide and magnesium hydroxide would all work.
. If solid sodium hydroxide were added to neutralize the HCl would this reverse the reaction and cause the sodium chloride to redissolve?
No, adding solid sodium hydroxide to neutralize the hydrochloric acid would not cause sodium chloride to redissolve. The reaction between hydrochloric acid and sodium hydroxide forms water and sodium chloride, which would remain as a dissolved salt in the solution. The addition of more sodium hydroxide would further neutralize the acid but not reverse the formation of sodium chloride.
How do you neutralize sodium added to water?
Sodium react with water forming a base - sodium hydroxide - and releasing hydrogen. Add an acid for neutralization.
If solid sodium hydroxide were added to neutralize the HCl would this reverse the reaction and cause the sodium chloride to redissolve?
No, adding solid sodium hydroxide to neutralize hydrochloric acid (HCl) would not cause sodium chloride to redissolve. The reaction between sodium hydroxide and hydrochloric acid forms water and sodium chloride, which remains in its dissolved form. The addition of solid sodium hydroxide would simply further neutralize the acid and increase the concentration of the resulting sodium chloride solution.
Why is sodium hydroxide is sometimes added to a vial of anesthetic solution?
There are times when bacteria, acidify an infected site, therefore adding sodium hydroxide will neutralize the region for a basic site.
When just enough acid has been added to neutralize the sodium hydroxide what colour will the indicator be?
The indicator will change color to indicate when just enough acid has been added to neutralize the sodium hydroxide. For example, phenolphthalein will turn colorless in an acidic solution, indicating that the base has been neutralized.
When just enough acid has been added to neutralize the sodium hydroxide what will the pH be?
When just enough strong acid (e.g. HCl) is used to neutralize a strong base (NaOH), the pH should be neutral (pH = 7.0).
Which compound could be added to hydroiodic acid (HI) to neutralize its acidic properties?
A base such as sodium hydroxide (NaOH) can be added to hydroiodic acid (HI) to neutralize its acidic properties and form water and sodium iodide (NaI).
What volume in mLs of 0.100 M sodium hydroxide solution must be added to 20.0 mL of 0.08 M sulfuric acid solution to reach the end point?
To neutralize the sulfuric acid completely, you need a 1:2 molar ratio of sodium hydroxide to sulfuric acid. Therefore, you would need to add twice the amount of sodium hydroxide compared to the amount of sulfuric acid, which is 40.0 mL of the sodium hydroxide solution.
What alkali could be added to a strong acid to neutralise it?
To neutralise a strong acid, you would need a strong alkali (or lots of a weak alkali, but that would be impractical). Potassium hydroxide, sodium hydroxide, lithium hydroxide, calcium hydroxide, calcium hydroxide and magnesium hydroxide would all work.
How much sodium hydroxide in grams must be added to seawater to completely precipitate 86.9mg of magnesium?
To completely precipitate 86.9mg of magnesium from seawater, you would need to add an equal molar amount of sodium hydroxide. The molar mass of magnesium is about 24.3 g/mol, so 86.9mg is equivalent to about 3.57 mmol of magnesium. You would need the same amount of mmol of sodium hydroxide to completely precipitate the magnesium.
. If solid sodium hydroxide were added to neutralize the HCl would this reverse the reaction and cause the sodium chloride to redissolve?
No, adding solid sodium hydroxide to neutralize the hydrochloric acid would not cause sodium chloride to redissolve. The reaction between hydrochloric acid and sodium hydroxide forms water and sodium chloride, which would remain as a dissolved salt in the solution. The addition of more sodium hydroxide would further neutralize the acid but not reverse the formation of sodium chloride.
Does sodium hydroxide release protons when added to water?
No. Sodium hydroxide releases hydroxide ions, which actually take protons out of the solution. This qualifies sodium hydroxide as a base.
What is the name of the salt formed when sodium hydroxide is added to nitric acid?
The salt formed when sodium hydroxide is added to nitric acid is sodium nitrate (NaNO3).
