The element boronn consists of two isotopes

Assignment Help Chemistry
Reference no: EM13687929

Problem- The element boronn consists of two isotopes, 10^B and 11^B. their masses are 10.01 amu and 11.01 amu in that order. the abundance of 10^B is 20.0%. Calculate the atomic weight of boron

Rework your solution from the beginning and check each step carefully.

Reference no: EM13687929

Questions Cloud

Explain nabr in a cell containing a silver indicator : Question- A solution prepared by mixing 46.9 mL of 0.220 M AgNO3 and 46.9 mL of 0.220 M TlNO3 was titrated with 0.440 M NaBr in a cell containing a silver indicator
Number of protons number of neutrons number of electrons : Problem- 51^V^5+ Number of protons number of neutrons number of electrons mass number, 79^Br^-1 Number of protons, number of neutrons, number of electrons, mass number
Calculate the ph at the equivalence point for the titration : Question- Calculate the pH at the equivalence point for the titration of 0.100 M methylamine (CH3NH2) with 0.100 M HCl. The Kb of methylamine is 5.0× 10-4.
Find the elastic energy of a cylindrical volume of radius : Find the elastic energy of a cylindrical volume of radius a and length l in which the stress varies directly as the distance from its axis, being zero at the axis and q0 at the outer surface. Justify your answer by commenting on the influence of a ..
The element boronn consists of two isotopes : Problem- The element boronn consists of two isotopes, 10^B and 11^B. their masses are 10.01 amu and 11.01 amu in that order. the abundance of 10^B is 20.0%. Calculate the atomic weight of boron
Write the equation for the reaction : Question- You are creating a buffer using a 0.150 M formic acid (HCOOH) and a 0.120 M sodium formate (HCOONa). Part 1) Write the equation for the reaction
The appropriate equations to solve for the speciation : Problem- Set up the appropriate equations to solve for the speciation of the following system. To a 1 L beaker of water are added 1*10^6 moles of NiCl2, 5*10^2 moles of NH4Cl, and 2.5*10^4 moles of Ca(OH)2. After you set up the necessary equations..
What is the ph of a 0.25m solution of arsenic acid : Question- What is the pH of a 0.25M solution of arsenic acid, H3AsO4. In this solution, what are the concentrations of H2AsO4^- and HAsO4^2-
Read the erp risk case and produce a risk matrix : Read the erp risk case and produce a risk matrix and risk register for the risks outlined in the article.

Reviews

Write a Review

Chemistry Questions & Answers

  Define result of a change in both temperature and pressure

A quantity of N2 occupies a volume of 1.5L at 300K and 1.2atm. The gas expands to a volume of 3.1L as the result of a change in both temperature and pressure.

  Bacl2nbsp na2so4nbspharrbaso4nbsp nacl-gravimetric

bacl2nbsp na2so4nbspharrbaso4nbsp nacl-gravimetric determination of sulfate1 a procedure similar to the described in

  State the standard molar enthalpy and entropy

The standard molar enthalpy and entropy of the denaturation of a certain protein are 512 kj/mol and 1.60 kj/K mol.comment on the signs and magnitude of these quantities , and calculates the temperature at which the process favors the denatured sta..

  What would be the predicted order of rate of bromination

Explain what would be the predicted order of rate of bromination between benzene, phenol, chlorobenzene and acetanilide

  Explain chelating ligand if acid is added to the solution

Why does EDTA^4- cease to function as chelating ligand if acid is added to the solution

  Describe the total pressure of the gases in the system

A mixture contains H2 at 325torr pressure, N2 at 475torr pressure, and O2 at 650torr pressure. What is the total pressure of the gases in the system

  Explain what will happen to the pressure if 1 mole of n2 gas

What will happen to the pressure if 1 mole of N2 gas is added to the container while keeping the temperature and size of the container the same

  How many grams of this compound must you burn

If the heat of combustion for a specific compound is -1390.0 kJ/mol and its molar mass is 61.39 g/mol, how many grams of this compound must you burn to release 821.90 kJ of heat.

  Explain what would be the best indicator for the titration

What would be the best indicator for the titration of 0.20 M CH3COOH titrated with 0.2 M NaOH? (Ka for acetic acid = 1.8 X 10-5) The pH ranges for the color change of some common acid base indicators are given below

  Hydrochloric acid solution to form calcium chloride solution

Marble (calcium carbonate) reacts with hydrochloric acid solution to form calcium chloride solution, water, and carbon dioxide. What is the percent yield of carbon dioxide if 2.85 g of the gas is collected when 10.7 g of marble reacts?

  Find the maximum mass of aluminium oxide

What masses of iron(III)oxide and aluminium must be used to produce 15.0g iron? What is the maximum mass of aluminium oxide that could be produced?

  Explain what is the volume of the balloon at the depth

A balloon filled wit .500 L of air at sea level is submerged in the water to a depth that produces a pressure of 3.25 atm. What is the volume of the balloon at this depth

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