Calculate the change in ph

Assignment Help Chemistry
Reference no: EM13123680

The pH of a 0.40 M HF(aq) solution is 1.93. Calculate the change in pH when 0.356 g of sodium fluoride is added to 50.0 mL of the solution. Ignore any change in volume.

Reference no: EM13123680

Questions Cloud

Type of accounting system : if the sales manager accepts a rush order that will result in higher than normal manufacturing costs, these additional costs are charged to the sales manager because the authority to accept or decline the rush order was given to the sales manager...
Construct the rejection region for variance t-statistic : An unpooled variance t-statistic, if appropriate, would have 7 degrees of freedom. Calculate the value of an appropriate test statistic. Construct the rejection region.
Information about asymptotes : Suppose that for a particular person enrolled in a typing class, Sketch a graph of the function f, including any vertical or horizontal asymptotes.
Domain-intercepts-symmetry-asymptotes and graphing : Give the horizontal asymptotes. Graph the function by dividing the axis and tell if the graph is above or below the axis for it's intervals.
Calculate the change in ph : The pH of a 0.40 M HF(aq) solution is 1.93. Calculate the change in pH when 0.356 g of sodium fluoride is added to 50.0 mL of the solution. Ignore any change in volume.
Calculate the test statistic for random sample of bottles : A random sample of 32 bottles is selected, and the mean amount of water per 1 gallon can is found to be 0.995 gallon. Calculate the test statistic.
Vector equation for line : Find a vector equation for the line through the point P = (-4, -1, 1) and parallel to the vector v = (1, 4, 3).
An essay about:legally carry guns on texas college campuses : an essay about: "Student should or should not be allowed to legally carry guns on Texas college campuses?" Just only the introduce... and the answer is "should not be". It must include 3 reasons in the introduction are: Innocent people can be killed,..
What is the ph of the resulting solution : A solution of 100 mL of 0.2 M NH3 is titrated with 50 mL of 0.5 M HNO3. What is the pH of the resulting solution? Kb for NH3 is 1.8 × 10-5.

Reviews

Write a Review

Chemistry Questions & Answers

  Determining the de broglie wavelength

What is the de Broglie wavelength of a 145 g baseball traveling at 30.0 m/s (67.1mph)? Is the wavelength much larger or smaller than the diameter of an atom .

  Calculate total work done

Calculate total and individual w, q, ΔU, ΔH, and ΔS of an Otto engine operating on stoichiometric ethanol - oxygen gas mixture, with cylinder volume of 1 l and compression ratio of 18:1.

  Discuss how to find the molar mass of a compound

Discuss how to find the molar mass of a compound, percent composition of the elements of a compound and how to determine the empirical and molecular formulas from percent composition.

  How many ozone molecules are in a liter

If the pressure exerted by ozone, O3, 3.0x10-3 atm and the temperature is 247 K , how many ozone molecules are in a liter.

  Calculating the abundance

Zinc has two isotopes. Zn-64 has an atomic mass of 63.9292amu and Zn-72 has an atomic mass of 71.9278amu. Its average atomic mass is 65.38amu. Calculate the abundance, in percent, of Zn-64.

  Determine the final temperature of the au

Determine how much PV work is done if 80.0 g of C 2 H 4 and 125 grams of hydro chloric acid are permissible to react at atmospheric pressure and the volume change = -63.9 L? express your answer in kilojoules

  Calculate the molarity of acetic acid vinegar

vinegar contains 5.0 g of acetic acid, CH3COOH,in 100.0 mL of solution. Calculate the molarity of acetic acid vinegar.

  Calculate the amount of energy in kilojoules needed

Calculate the amount of energy in kilojoules needed to change 423g of water ice at -10 deg c to steam at 125 deg c . The following constants may be useful:

  Discuss how precise and accurate measurement achieved

Every measurement has a measurement uncertainty. Discuss how precise and accurate measurement can be achieved in spite of the inherent measurement uncertainty.

  Determine the molecular formula of the compound

Determine the molecular formula of the compound at  the temperature of 120 degrees celsius and Pressure 750 mm hg,  if 1 l of the gaseous compound weighs 2.3 grams? '

  Calculate the vapor pressure of pure ethanol

The vapor pressure of a solution containing 53.6 g glycerin (C3H8O3) in 133.7 g ethanol (C2H5OH) is 113 torr at 40 degrees Celsius.

  Calculate the new pressure of the gas

7.5g of ammonia at STP is heated to a temperature of 25C and simultaneously compressed to a volume of 8.0L. Calculate the new pressure of the gas.

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