18 Answered Questions for the topic Titration

10/09/19

How to find Mg of a substance using molarity

Calcium levels in blood can be determined by adding oxalate ion to precipitate calcium oxalate, CaC2O4, followed by dissolving the precipitate in aqueous acid and titrating the resulting oxalic... more

05/22/19

Chemistry Titration

How many mL of a 0.5 M HCL would be needed to neutralize 725 mL of a 1.0 M NaOH?

02/17/19

how do i deduce the moles of the acid reacted with sodium carbonate

The balanced equation is: Na2CO3 + 2HCl ----> 2NaCl + H2O + CO2Moles of sodium carbonate: 0.03945average volume of acid added: 26.3 cm3Acid = HClThis is standardisation of an acid (titration 1)

10/22/18

Molarity Conversion

If 38.17 mL of 0.1072 M NaOH is required to titrate a 15.00 mL sample of sulfuric acid, what is the molarity of the acid? Equation: H2SO4 + 2 OH^1- = 2 H2O + SO4^2- Show all work.

08/12/18

When titration and you are required to use 0.1 Sodium Hydroxide in a titration, but you only have 1.0 N how Dow you calculate the end results of the total acid

When titration total acid and you are required to use 0.1 Normal Sodium Hydroxide, but you only have 1.0 Normal Sodium Hydroxide; how do you calculate the results to reflect a reading For 0.1... more

05/10/18

Titration problem

what vol of 0.100M NaOH solu nece to neutralize the excess HCl if 50.00ml of 0.121 M HCl are added to a 0.200g if Calcium carbonate

05/09/18

Titration question.

This is the full question    Samples of hydrochloric acid, of unknown concentration, were titrated with a solution of sodium carbonate. The flasks were rinsed with sodium carbonated stock... more

03/27/18

What is parallax and why should it be avoided?

Titration 

03/16/18

how many milliliters of 0.2M KOH are needed to neutralize 20mL of 0.1M HCl?

use titration

11/29/17

calculate the volume of 0.750 mol/L sulfuric acid needed to neutralize completely 20 g if sodium hydroxide

How would you calculate the volume with the given information

11/05/17

Calculate the change in pH when 41.0 mL of a 0.540 M solution of NaOH is added to 1.00 L of a solution that is 1.00 M in sodium acetate and 1.00 M in acetic

so I calculate the pH before adding NaOH which is 4.75 but I can't figure out the next step

03/09/17

Chemistry Titration

What is the molarity of NaOCl in a solution of bleach if 10.00mL requires 22.35mL of 0.02191M Na2S2O3 to reach the endpoint? Show work. Hint: Work through the I2 first.   Reaction Equations that... more

03/02/17

Can the vitamin c concentration in fresh orange juice increase after being boiled?

So I'm doing an experiment in Chemistry class for my assignment. The experiment is to boil orange juice at 2 minutes, 4 minutes and 8 minutes and investigate the vitamin concentration by titrating... more

04/25/16

Their goal was to neutralize 0.50 mol NaOH. How many moles of H2SO4 are needed to complete the neutralization?

I do not understand how to solve this question and my EOC is thursday... this is due tonight!!! please help quickly 

04/10/16

Ksp and the Common Ion Effect

I just completed a lab in which I titrated Calcium Iodate with Na2S2O3. During the titration we were told to add a starch once the liquid had turned light yellow. When we did this it became dark... more

02/20/16

Calculate pKa and Ka

In a lab we collected the equivalence point pH and the pH of the half-titrated solution and are asked to calculate the pKa and Ka. 

06/08/15

If 5 g of sodium bicarbonate is combined with water to make a 100 ml solution, how do I find out how many grams in the final solution?

In chem lab we did a quality control test to determine if the label for sodium bicarbonate (baking soda) is accurate. The label says there is 1,258.56 mg of sodium in a 5 g serving. We made a... more

06/07/15

How would I perform a titration for quality control analysis on sodium levels in a soda and vit. C levels in coconut water?

In chemistry lab we are supposed to perform quality control analysis on a basic product and an acidic product. I chose Sprite and coconut water, but I'm trying to figure out how to do the... more

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