1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Olegator [25]
3 years ago
14

How many moles are in silicon dioxide if the mass is 3.4x10-7

Chemistry
1 answer:
Kisachek [45]3 years ago
3 0

Answer:

28 as compare to ul formula

You might be interested in
NO LINKS RIGHT ANSWERS ONLY!!!!
Mumz [18]
I think the answer is D
6 0
3 years ago
Read 2 more answers
Which option describes energy being released as heat?
Mnenie [13.5K]

Answer:

I’m pretty sure it’s Lions sleeping after a big meal

Explanation:

8 0
4 years ago
Read 2 more answers
analytical chemists can detect very small amounts of amoin acids , down to 3x10^-21 mol. how many molecules of an amino acid (mr
sesenic [268]
The number of particles in one mole is given be Avagadro's number <span>6.022×10^23

Multiply by number of moles.

3 ×10^-21 mol * 6.022 ×10^23 molecules/mol = </span><span>1,807 molecules
(rounded to nearest whole number)
 </span>
6 0
3 years ago
For each item, choose whether the change is a physical change or chemical change
Aleonysh [2.5K]

Sorry, but where are the ‘items’?

8 0
3 years ago
Please help me thanks:)
lianna [129]

Answer:

where it goes

Explanation:

3 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following is formed from erosion
    9·2 answers
  • How many protons, electrons, and neutrons does an atom with atomic number 50 and mass number 125 contain?
    12·1 answer
  • The use of phenol (carbolic acid) as a wound disinfectant was first practiced by:
    11·1 answer
  • PLEASE HELP 50 POINTS!!
    8·1 answer
  • Tin(II) fluoride (SnF2) is often added to toothpaste as an ingredient to prevent tooth decay. What is the mass of F in grams in
    7·1 answer
  • Ap sublevel has 3 electrons. How should they be arranged
    8·1 answer
  • Explain the alignment of Earth, Sun and Moon during a lunar and solar eclipse.
    15·1 answer
  • Hugh described two substances which participate in photosynthesis.
    9·1 answer
  • Why does the sun appear very large compared to the other stars
    6·1 answer
  • Is ironing clothes conduction, convection or radiation
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!