Question
Asked Sep 17, 2019
3 views

how to find the amount of neutrons in moles within a sample of silicon-30 and having a mass of 68.7

check_circle

Expert Answer

star
star
star
star
star
1 Rating
Step 1

Given the atomic mass of silicon is 30 g/mol and the mass of sample is give...

help_outline

Image Transcriptionclose

No.of moles_68.7g 30g/mol -2.29mol

fullscreen

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.
Tagged in

Science

Chemistry

Related Chemistry Q&A

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

Q: Organic Compounds: "Amino acids vary only by R group"   What do they mean by R group/what is the R g...

A: Amino acids are organic compounds which consists of both amino group and carboxyl group. They are di...

question_answer

Q: Which bond is more stable covalent or ionic?

A: Ionic bonds form when two oppositely charged ions mutually attract each other.  On the other hand, c...

question_answer

Q: In the production of printed circuit boards for the electronics industry, a 0.765 mm layer of copper...

A: Area of one board = 7.55 cm x 18 cm = 135.9 cm2.Area of 8700 board = 8700 x 135.9 cm2 = 1182330 cm2....

question_answer

Q: 8. How many grams of NaCl are required to precipitate most of the Ag+ ions from 2.50 × 102 mL of 0.0...

A: We have to calculate the mass of NaCl that would precipitate out all Ag+ ions from 2.50 × 102 mL of ...

question_answer

Q: A sample is marked as containing 47.9 percent calcium carbonate by mass. How many grams of calcium c...

A: Given, mass of a sample = 58.9 gThe sample contains 47.9 percent calcium carbonate by mass. The mass...

question_answer

Q: show calculation setups and answers for the following problem:  convert 15 nm into km

A: Given,15 nm.

question_answer

Q: Looking to see if I have the concept right . Thank you

A: Click to see the answer

question_answer

Q: When sulfuric acid reacts with zinc hydroxide, zinc sulfate and water are produced. The balanced equ...

A: Here, we have to determine number of moles of zinc hydroxide, zinc sulfate and water.

question_answer

Q: Table salt contains 39.33 g of sodium per 100 g of salt. The U.S. Food and Drug Administration (FDA)...

A: Mass percentage of sodium in salt can be calculated as follows: