Compute the percent by mass of potassium nitrate

Assignment Help Chemistry
Reference no: EM13262882

Calculate the percent by mass of potassium nitrate in a solution made from 45.0 g KNO3 and 295 mL of water. Density of water is 0.997 g/mL.

Reference no: EM13262882

Questions Cloud

Compute the mass of the ion : In a mass spectrometer, a singly charged ion having a particular velocity is selected by using a magnetic field of 0.10 T , What is the mass of the ion
What is the incremental cost of going outside : What is the incremental cost of going outside versus conducting the survey as in the past?
What type of promotion mix would you implement : Assume you were a marketing manager at a healthcare company selling dietary supplements and beauty products. What type of promotion mix would you implement? How would you integrate online media into the traditional promotion mix?
Calculate the tire pressure in pascals : An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. During the process, What is the tire pressure in pascals
Compute the percent by mass of potassium nitrate : Calculate the percent by mass of potassium nitrate in a solution made from 45.0 g KNO3 and 295 mL of water. Density of water is 0.997 g/mL.
Develop your understanding of communication in culture : Develop your understanding of communication in culture and to help others in the class gain a better understanding of the use of communication in different cultures.
How might an operations manager use this information : How might an operations manager use this information to manage the cost of processing orders?
What is the total molarity of acid and conjugate base : A beaker with 175 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 8.60 mL of a 0.340 M HCl solution to the beaker
How far is the object from the lens : A magnifying glass uses a converging lens with a focal length of 15.5 cm. It produces a virtual and upright image that is 3.3 times larger than the object. How far is the object from the lens

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the electrophilic aromatic substitution reaction

Given that acetophenone is a meta- director, draw all three resonance structures for the carbocation intermediate that results from STEP 2 in the electrophilic aromatic substitution reaction when acetophenone reacts with Br2 in the presence of FeB..

  Which is the limiting reactant

Hydrazine, N2H4, is used as a rocket fuel. In the reaction below, if 80.1 g of N2H4 and 92.0 g of N2O4 are allowed to react, which is the limiting reactant?

  How many milligrams of the radioisotope are still active

If 85.0 mg of fluorine-18 is shipped at 8:00 a.m., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:30 p.m. ?

  Draw the structure of the species present into the water

when 157 mg. of dipentylamine was added to 122 mg. of benzoic acid and 2 mL of water, a completely homogenous solution was formed. Draw the structure of the species present into the water.

  Explain what is the ph at this point of the titration

A 50 mL sample of 0.06M HC3H5O2 (propanoic acid) is titrated with 20 mL of 0.07M NaOH. What is the pH at this point of the titration? (Ka of HC3H5O2 = 1.3*10^-5)

  How much chocolate would you have to consume

A 1.0 ounce piece of chocolate contains 15 of caffeine, and a 6.0 ounce cup of regular coffee contains 105 of caffeine.How much chocolate would you have to consume to get as much caffeine as you would from 5.0 cups of coffee?

  What mass of oxygen should be present

Consider the reaction 2ZnS + 3O2 → 2ZnO + 2SO2. Suppose that you wanted enough O2 to completely react with 500. g of ZnS.

  Evaluate the ph of a buffer solution

Calculate the pH of a buffer solution prepared by dissolving 0.20 mole of sodium cyanate (NaCNO) and 1.0 mole of cyanic acid (HCNO) in enough water to make 1.0 liter of solution. [Ka(HCNO) = 2.0 × 10^4]

  Explain what hybridization would expect for the indicated

What hybridization would you expect for the indicated (bold) atom in each of the following molecules?

  Calculate the number of grams of alcohol present

Calculate the number of grams of alcohol present in 1.00 L of 87 proof gin. The density of ethanol is 0.798 g/mL.

  What is the final pressure of the flask

A 1L flask is filled with 0.25 mol N2and 0.65 mol H2 at 20 oC. These gases react to make NH3, heating up the flask to a temperature of 45 oC.

  The ph difference across the membrane of a glass electrode

The pH difference across the membrane of a glass electrode is 6.45. How much voltage is generated by the pH gradient at:25degreesC and 40 degreesC

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