Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Chemistry Expert

By solving this problem student understand about isotopic abundance and how to find out atomic weight (average atomic mass) of an element.

Only two isotopes of copper occur naturally, 63Cu (atomic mass = 62.9296 amu;abundance 69.17% ) and 65Cu (atomic mass = 64.9278 amu; abundance 30.83% ).find out the atomic weight (average atomic mass) of copper.

Chemistry, Academics

  • Category:- Chemistry
  • Reference No.:- M919245

Have any Question? 


Related Questions in Chemistry

Write the elemental symbol with charge for when aluminum

Write the elemental symbol, with charge, for when Aluminum forms an ion and tell whether it is an anion or a cation. Think about whether it gains or loses electrons.

When 100 moles of hig is sealed in 100l flask at 225

When 1.00 moles of HI(g) is sealed in 1.00L flask at 225 degrees Celcius, it decomposes until the equilibrium amount of I2(g) is 0.182 moles. Calculate Keq using this information. The decomposition reaction is HI(g)=I2(g ...

1 show the alcohols you would obtain by reduction of the

1. Show the alcohols you would obtain by reduction of the following carbonyl compounds: (a) CH 3                   (b)          (c)  O      CH 3        |                                                         ||         ...

A 400g sample of an ideal gas occupies 124l at 23 degrees

A 4.00g sample of an ideal gas occupies 1.24L at 23 degrees Celcius and 1.12bar. What will be its volume at 14 degrees Celcius and 1.50bar?

For the reaction between permanganate ion and sufite ion in

For the reaction between permanganate ion and sufite ion in basic solution, the unbalanced equation is: MnO 4 -  + SO 3 2-   MnO 2  + SO 4 2- When this equation is balanced using the smallest whole number coefficients po ...

A cleaning solution is found to have a oh- 32 x 10-12m

A cleaning solution is found to have a [OH-] = 3.2 x 10 -12 M. What is the [H 3 O + ] and is the solution acidic or basic?

Chemistry practice examdirections on actual exam the exam

Chemistry Practice Exam Directions on actual Exam: The exam consists of 2 sections (Chemical Bonding and Geometry and IMFs. Each multiple choice question is worth 4.33 points. You are allowed to use a scientific (nonprog ...

Determine the percent yieldwith respect to co2 and ch4 of

Determine the percent yield(with respect to CO2 and CH4) of the reaction if 1.25g of CO2 was formed by reacting 2.50g of CH4(g) with excess O2 in the reaction: CH4(G) +O2(g) ---->CO2(g) +H2O(g).

Balance the molecular equation for the following redox

Balance the molecular equation for the following redox reaction. What is the sum of the coefficients? Don't forget coefficients of one. Use the smallest whole number coefficients possible. H 2 SO 4 (aq) + HI(aq)I 2 (s) + ...

If 628 g ca react with 923 g hcl according to the reaction

If 62.8 g Ca react with 92.3 g HCl according to the reaction below, how many grams of hydrogen gas will be produced, and how many grams of the excess reactant will be left over? Unbalanced equation: Ca + HCl → CaCl2+ H2 ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen