Explain what is the relative atomic mass

Assignment Help Chemistry
Reference no: EM13221718

Naturally ocurring magnesium has an atomic mass of 24.312 and consists of three isotopes. the major isotope is 24Mg, natural abundence 78.99%, relative atomic mass 23.98504. The next most abundent isotope is 26Mg, relative atomic mass 25.98259. The third Isotope is 25Mg whose natural abundance is in the ratio of 0.9083 to that of 26Mg. What is the relative atomic mass of 25Mg?

Reference no: EM13221718

Questions Cloud

Compute the mass of 234th : Given that the nuclidic masses of 238U = 238.0508 amu and an a particle = 4.0026 amu, calculate the mass of 234Th in units of g/mol.
Determine what percentage of the burden of the tax is paid : The slopes of the demand and supply equations are different. By making reference to the slopes, explain why the demand elasticity at the equilibrium price and quantity is significantly larger/smaller than the supply elasticity.
Which sites did you visit : Which sites did you visit?  How useful and user-friendly were those sites and where did the survey information come from?  How was it collected?
Explain absolute temperature tripled : A sample of 87 mg of an ideal gas a 0.600 bar pressure has its volume doubled and its absolute temperature tripled. Find the final pressure.
Explain what is the relative atomic mass : The next most abundent isotope is 26Mg, relative atomic mass 25.98259. The third Isotope is 25Mg whose natural abundance is in the ratio of 0.9083 to that of 26Mg. What is the relative atomic mass of 25Mg?
Will steinbrenner complete the trade with risk attitude : Hank Steinbrenner, the owner of the New York Yankees, has a utility function of wins in a season given by Mr. Steinbrenner has been offered a trade. He believes if he completes the trade, his probability of winning 121 games is 45%.
Describe why one would be higher than the other : explain why one would be higher than the other? I'm confused as to the theory of this lab and need to know exactly why...Thanks! I have this lab next week and can't unnderstand what the concept is.
Explain how many pounds doesx it weight : suppose you want to move a rock. it has a volume of 1.2m^3 aout waist high and 4 feet long. and a density of 2.5g/cm^3. how many pounds doesx it weight?
Valuate the freezing point and boiling point of the solution : Compute the freezing point and boiling point of the solution. (Assume a density of 1.00 g/mL for water.) tf and tb?

Reviews

Write a Review

Chemistry Questions & Answers

  How many grams of o2 gas would occupy

How many grams of O2 gas would occupy a 400.0 liter container when the temperature is 300.0 K and the pressure is 2.20 atm?

  State carbon and sulfer have identical electronegativities

CH3SH, has a substantial dipole mement (1.52) even though carbon and sulfer have identical electronegativities.

  Find out the partial pressure of carbon dioxide

What us the partial pressure (in atm) of carbon dioxide and the partial pressure (in atm) of water vapor? (For the purpose of this question, assume ideal gas behavior.)

  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%)

  Calculate the relative atomic mass of magnesium

Magnesium has three isotopes, Mg-24, Mg-25, and Mg-26. The percentage abundance of each in order is 78.70%, 10.13%, 11.17%.

  Define sample of vapor in equilibrium with propylamine

A 275 mL sample of vapor in equilibrium with 1-propylamine at 25.0C is removed and dissolved in 0.500L of H2O.For 1-propylamine, pKb= 3.43 and the vapor pressure = 316 torr.

  What is the actual yeid of bromobutane with the area

what is the actual yeid of bromobutane with the area of 750 and a theriotical of 100%

  Calculate the total kinetic energy of the gaseous mixture

A 100.-L flask contains a mixture of methane, CH4, and argon at 25C. The mass of argon present is 228 g and the mole fraction of methane in the mixture is 0.650. Calculate the total kinetic energy of the gaseous mixture.

  Calculate the final temperature

Calculate the final temperature when a 25.6 gram sample of ice at 0oC is placed into a styrofoam cup containing 115 grams of water at 75.0 oC. Assume that there is no loss or gain of heat from the surroundings.

  Define the product of the final step in the synthesis

The product of the final step in the synthesis below are acetone and acetaldehyde. What are the identities of compounds A and B?

  Calculate the equilibrium bond length

how would i calculate the equilibrium bond length from knowing Bo B1 the equilibrium rotational constant and the vi-rot coupling constant?

  The concentration of the original hydroxylamine solution

What was the concentration of the original hydroxylamine solution? What is the pH at the equivalence point? Which indicators should be used to detect the endpoint of the titration?

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