Explain a few drops of phenolphthalein indicator

Reference no: EM13325708

In a titration of HNO3, you add a few drops of phenolphthalein indicator to 50.00 mL acid in a flask. You quickly add 20.00 mL of 0.0414 M NaOH but overshoot the end point, and the solution turns deep pink. Instead of starting over, you add 30.00 mL of the acid, and the solution turns colorless. Then, it takes 2.83 mL of the NaOH to reach the end point. what is the concentration of the HNO3 solution? If possible explain the steps

Reference no: EM13325708

Questions Cloud

The carbon dioxide is removed from the atmosphere of space : Carbon dioxide is removed from the atmosphere of space capsules by reaction with a solid metal hydroxide. Theproducts are water and the metal carbonate

Explain the percentage of aqueous nh3 in the lake : A lake has a pH of 8 and the total molar concentration of nitrogen species (NH3 and NH4+) is 7.1×10-4 mol/L. what is the percentage of aqueous NH3 in the lake

How long would it take for a lump sum investment to double : How long would it take for a lump sum investment to double in value at an interest rate of 1.5% per month,componded continously?

Germany and england had plans for paper weapon : During world war 2, both Germany and England had plans for paper weapon:they each printed each other's currency, with the intention of dropping large quantities by airplane. Why might this have been an effective weapon ?

Explain a few drops of phenolphthalein indicator : In a titration of HNO3, you add a few drops of phenolphthalein indicator to 50.00 mL acid in a flask. You quickly add 20.00 mL of 0.0414 M NaOH but overshoot the end point, and the solution turns deep pink.

How would this news affect the price level that people would : The economy begins in long-run equilibrium. Then one day, the president appoints a new chairman of the Federal Reserve. This new chairman is well-known for his view that inflation is not a major problem for an economy.

Evaluate the difference in ph when 6.06 g of naf : The pH of 0.5 M HF is 1.88. Calculate the difference in pH when 6.06 g of NaF is added to 205.7 mL of this solution. Ignore any changes in volume. The Ka value for HF is 3.5 x 10-4.

What was the relationship between cotton and the slave : What was the relationship between cotton and the slave economy in the antebellum American South? was cotton expansion necessary for the continuation of slavery? Was slavery necessary for the growth of the cotton industry? Explain carefully.

A monopoly is considering selling several units of : A monopoly is considering selling several units of a homogenous product as a single package. A typical consumer’s demand for the product is Q^d = 50 - 0.25P, and the marginal cost of production is $120.

User Account

All Pages