What is the ph of a solution

Assignment Help Chemistry
Reference no: EM13141377

One liter of a buffer solution is prepared by dissolving 0.150 mol of NaNO2 and 0.070 mol of HCl in water. What is the pH of this solution? If the solution is diluted two fold with water, what is the pH?

Reference no: EM13141377

Questions Cloud

The advantages and disadvantages of aerobic respiration : Discuss the advantages and disadvantages of aerobic respiration, anaerobic respiration, and fermentation. Part 2: Discuss the roles of secondary metabolites in biology.
Victorian wine growers : The Victorian Wine Growers Association (VWGA) has many shareholders. There are several kinds of shareholders within the association: Grower, Employee and Private.
Determine selling price of mobile phones : Determine the markup percentage (rounded to two decimal places) for mobile phones. Determine selling price of mobile phones. Round to the nearest dollar.
Computing estimated cost of missing inventory : A physical inventory taken on December 31, 2010, resulted in an ending inventory of $700,000. Keen"s gross profit on sales has remained constant at 25% in recent years. Keen suspects some inventory may have been taken by a new employee. At Decembe..
What is the ph of a solution : One liter of a buffer solution is prepared by dissolving 0.150 mol of NaNO2 and 0.070 mol of HCl in water. What is the pH of this solution? If the solution is diluted two fold with water, what is the pH?
Find margin of error to create confidence interval : A researcher wants to create a 99% confidence interval for the population mean. He has a sample of n=120, an x-bar of $340, and a sample standard deviation of $122. What is the margin of error?
Depreciation using the straight-line method : A piece of equipment purchased on January 1, 2011, for $16,000 was estimated to have a residual value of $4,000 at the end of its three-year useful life. If the equipment was depreciated using the straight-line method and disposed of on December 3..
Explain the mode of action of cholera in the human : Explain the mode of action of cholera in the human intestinal tract. What is the mode of transmission? What are "viable-but-non-culturable" bacteria, and how do they relate to cholera surveillance?
Explain half-wave rectifier : Half-Wave Rectifier, For the half-wave rectifier, the source is a sinusoid of 120 Vrms at a frequency of 60 Hz. The load resistor is 5 ohms. Determine

Reviews

Write a Review

Chemistry Questions & Answers

  What is the empirical formula of the compound

Talc (used in talcum powder) has mass composition 19.2% Mg, 29.6% Si, 42.2% O,and 9.0% H.What is the empirical formula of the compound?

  What is the new pressure of the gas in pa

A 739 mL gas sample at STP is compressed to a volume of 244 mL, and the temperature is increased to 24 ?C. What is the new pressure of the gas in Pa?

  What is the concentration of the unknown sulfuric acid soln

A 15.00 mL sample of unknown concentration of sulfuric acid is precititated with excess lead(II) nitrate and a precipitate of lead(II) sulfate is collected.

  Calculate the wavelength of the x rays in nm

The distance between layers in a crystal is 281 pm. X rays are diffracted from these layers at an angle of 19.0°. Assuming that n = 1, calculate the wavelength of the X rays in nm.

  Total carbon concentration

Which of these given nutrients is likely to limit production if the light supply is adequate and there is no nitrogen fixation?

  What is density of this mixture of gases

A mixture of CO2 and N2 gases has an experiment density of 21922 mol/m3 at T=225K and Pressure= 68.759 MPa and Z=1.67661. What is density of this mixture of gases in mol/m3 by Peng-Robinson equation of state? (Mole fraction of Co2= 10.56%)

  Define estimation of mass required in a reaction

Chemistry - Estimation of Mass Required in a Reaction, With the reaction, CaCO3+2Hcl->CaCl2+H2O+CO2. Using percent by mass what is the weight of HCl needed to react

  Calculate the final temperature of 37 ml of ethanol

Calculate the final temperature of 37 mL of ethanol initially at 11 degrees C upon absorption of 624 J of heat. (density of ethanol =0.789 g/mL).

  How much ammonia is needed

2 NH3 + CH3OH → products . How much NH3 is needed to react exactly with 21 grams of CH3OH

  Determine what is the molar concentration of the nh3

Explain how hydrodewaxing, hydrocracking and hydroisomeriztion processing take place In base oil refining and also describe how aromatics (low volatile products) are converted to high quality base oil.

  What is the molecular formula

0.0010 mg of H, 0.0116 mg of C, and 0.0310 mg of O. It was also determined that the unknown compound had a molecular weight of 90.0 g/mol.

  Find important information about chem problem

Important information about Chem problem, A 25 mL sample of .13M HCl is mixed with 15mL of .24M NaOH. The pH of the resulting solution will be nearest. The answer is 11.9

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd