Asked Feb 18, 2020
Naturally occurring element X exists in three isotopic forms:
X (27.979 amu, 92.21% abundance),
(28.976 amu, 4.70% abundance), and
X (29.974 amu, 3.09% abundance). Calculate the atomic weight
of X

Expert Answer

Step 1

Chemistry homework question answer, step 1, image 1

Step 2

Chemistry homework question answer, step 2, image 1

Step 3

Chemistry homework question answer, step 3, image 1


Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.

Related Chemistry Q&A

Find answers to questions asked by student like you
Show more Q&A

Q: Mg(s)+N2(g)→Mg3N2(s)Mg(s)+N2(g)→Mg3N2(s) Express your answers as integers separated by commas.

A: Note: Assuming that the question is to balance the given reaction.


Q: How many moles of calcium carbonate are there in a 2.50 L of a 3.44 M solution?

A: Given: Volume= 2.50 L Concentration= 3.44 M


Q: For the chemical reaction: 2KI+Pb(NO3)2⟶PbI2+2KNO3 how many moles of lead(II) iodide will be produce...

A: Given. the balanced chemical equation - We know that the values of the molar mass of the compounds ...


Q: Write the complete ionic equation for the reaction that occurs, if any, when solutions of the follow...

A: Ionic equation is an equation in which ions are explicitly shown. Net ionic equation is the chemical...


Q: A student dissolves 4.9g of methanol CH3OH in 275.mL of a solvent with a density of 1.06/gmL ...

A: Given information: Mass of solute = 4.9 g Volume (V) = 275 mL                      = 0.275 L Density...


Q: A gaseous mixture consists of 1.33 mol of helium, 0.36 mol of neon, and 1.58 mol of argon. What is t...

A: Total number of moles present in the gaseous mixture is:


Q: Sodium chloride solution reacts with aqueous silver nitrate to form solid, white silver chloride and...

A: Given: Concentration of NaCl = 0.25 M Concentration of AgNO3 = 0.35 M Volume of solution = 0.50 L Ch...


Q: [Review Topics] [References] Use the References to access important values if needed for this questi...

A: Bond Polarity is the property of shared pair of electrons being closer to one atom than the other in...


Q: Which one of the following is a pure substance? elemental oxygen rock apple air tap water

A: Substance which is made up of single or one type of atom or molecule is known as pure substance. Ele...