Explain how many moles of no2- are in 30 ml

Assignment Help Chemistry
Reference no: EM13530633

3. When 30 mL of a 375 mL stock solution containing 2.11 M AlCl3 is diluted to 92 mL, how many moles of Al3+ are in the new solution?

4. A stock solution is prepared by adding 35 mL of 1.5 M NaNO2 to enough water to make 49 mL. How many moles of NO2- are in 30 mL of the stock solution?

Reference no: EM13530633

Questions Cloud

Calculate how fast is the elevator going : An elevator's cable snaps and its emergency brakes start gripping at the secondary line in order to slow its descent. How fast is the elevator going after falling 3 stories
Define what was the concentration of albr3 : A 12 mL sample of a solution of AlBr3 was diluted with water to 42 mL. A 30 mL sample of the dilute solution was found to contain 2.26 M Br-. What was the concentration of AlBr3 in the original undiluted solution
Securitization to the rather recent home mortgage crisis : Securitization to the rather recent home mortgage crisis.
Find what is the reading on the scale : A person whose mass is m = 59.5 kg steps on a mechanical bathroom scale placed on an inclined plane that makes the angle ? = 25.5° with the horizontal. What is the reading on the scale
Explain how many moles of no2- are in 30 ml : A stock solution is prepared by adding 35 mL of 1.5 M NaNO2 to enough water to make 49 mL. How many moles of NO2- are in 30 mL of the stock solution
The impact of the affordable care act on the health : Write a paper about The Impact of the Affordable Care Act on the Health Care Workforce
Explain what is the br- concentration in the dilute solution : When 7 mL of a solution containing 2.7 M AlBr3 is diluted to 33 mL, a dilute solution is formed. What is the Br- concentration in 15 mL of the dilute solution
Expected return on the market using the capm model : 1. CAPM is one of the more popular models for determining the risk premium on a stock. If the Expected Return on the Stock is 20.38 percent, the Risk-Free Rate is 9.0 percent, and the Beta for Stock i is 1.75. Find the Expected Return on the ..
Define what is the cell voltage : Consider the following reaction 2Fe 2(aq) +Cu 2 ---> 2Fe 3 (aq) Cu, When the reaction comes to equilibrium, what is the cell voltage

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the experimental value of avogadro''s number

what is the experimental value of Avogadro's number. dropper pipet calibration= 68 drops/ml number of drops of oleic acid in the monolayer=16 drops diameter of monolayer = 15.0 cm

  How many grams of cacl are required to cause a burn

Using calorimetry experiment, how many grams of CaCl are required to cause a burn at 60 degrees celsius in 1000mL of water?

  Explain what is the product after these three decays

As part of its decay process, the radioactive isotope of polonium 214Po undergoes successive emissions of one alpha particle and two beta particles. What is the product after these three decays

  Compute the ka of acetic acid

Using the equation pKa= -log Ka, calculate the Ka from the pH value and the starting acetic acid concentration. Calculate the Ka of acetic acid.

  Explain what is the ph of ammonium chloride buffer

A buffer is prepared by adding 11.0 g of ammonium chloride to 250 ml of 1.00 M solution...What is the pH of this buffer

  Explain reaction between magnesium and topaline

predict the formula of a compound that presumably would result from the reaction between magnesium and topaline, and name the compound.

  Explain what is the empirical formula of a sample

What is the empirical formula of a 0.01510 g sample gives 0.01102 g of H2O and 0.04484 g of CO2 on combustion? b) if you dissolve 1.000 g of the powder in 100.000 g of camphor, you find that the melting point of the solution is 177.05 C. Pure camp..

  Evaluate the final temperature of a mixture

Calculate the final temperature of a mixture of 170.0 g of ice initially at -7.0 degrees C and 318.0 g of water initially at 94.0 degrees C.

  What is the limiting and excess reagents

Sulfur in the air reacting with silver flatware to produce tarnish, or silver sulfide. What is the limiting and excess reagents?

  Explain how many grams of sucrose dissolved in water

How many grams (g) of sucrose (C12H22O11) should be dissolved in 433.6 g water to produce a solution that freezes at 1.93 ºC above the boiling point of water? Kb = 0.512 ºC/molal.

  Explain p-type semiconductor with an element

If you want to dope GaAs to make an p-type semiconductor with an element to replace As, Which element would you pick? A) Si B)Se C)N D)S E)P

  Compute the ph and the poh of the solution

A solution of NaOH(aq) contains 7.4 g of NaOH(s) per 100.0 mL of solution. Calculate the pH and the pOH of the solution at 25 °C.

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