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
Natali [406]
3 years ago
14

5.40 g B determine the number of atoms

Chemistry
1 answer:
sdas [7]3 years ago
4 0
Atomic mass Boron ( B ) = 10.811 u.m.a

10.811 g -------------- 6.02x10²³ atoms
5.40 g ----------------- ?? atoms

5.40 x ( 6.02x10²³) / 10.811 =

3.0069x10²³ atoms
You might be interested in
PLEASEE HELPPP ME WITH NUMBER 5!!!!!!!
riadik2000 [5.3K]

Answer:

hi dont report me we are friends can i get brainliest plzz?

Explanation:

5 0
3 years ago
Name at least 3 ways the Periodic Table is organized. *
Lesechka [4]

Answer:

The periodic table of elements arranges all of the known chemical elements in an informative array. Elements are arranged from left to right and top to bottom in order of increasing atomic number. Order generally coincides with increasing atomic mass. The rows are called periods.

Explanation: Cause I'm smart like that!

8 0
3 years ago
Read 2 more answers
Soils that allow water to pass through them faster are more _______.
siniylev [52]
I would say C. Permable

Google def.(of a material or membrane) allowing liquids or gases to pass through it.
"a frog's skin is permeable to water

Porous- (of a rock or other material) having minute spaces or holes through which liquid or air may pass
4 0
3 years ago
Read 2 more answers
Which of the following is the best example of kinetic energy being transformed into potential energy?
galben [10]

Answer:

The correct answer is A

Explanation:

That water stops moving once it gets to the dam and turns into potential energy

5 0
3 years ago
You see the middle layer of the sun’s atmosphere, the _____________, at the start and end of a total eclipse.
Helen [10]

Answer:

Chromosphere

Explanation:

You see the middle layer of the sun’s atmosphere, the Chromosphere, at the start and end of a total eclipse.

4 0
3 years ago
Other questions:
  • A client at 39 weeks gestation with preeclampsia has a blood pressure of 170/100 mm Hg, 2+ proteinuria, and moderate peripheral
    6·1 answer
  • A 1.00 L volume of HCl reacted completely with 2.00 L of 1.50 M Ca(OH)2 according to the balanced chemical equation below. 2HCl
    12·2 answers
  • What kind of tools did prehistoric people make with flint
    13·1 answer
  • At STP conditions, 11 g of SO, (64.06 g/mole) have a volume of
    7·2 answers
  • As human populations grow, it becomes more important to use renewable sources of energy. Which of the following objects uses ene
    14·1 answer
  • Which statement explains this observation?
    11·1 answer
  • Please help people! science science! thank you!
    10·1 answer
  • The polyatomic nitrate ion (NO3−) is present in both the products and the reactants of the chemical equation shown below.
    12·1 answer
  • Which of the following with the kinetic theory address? a
    15·1 answer
  • According to the iupac convention, alkyl substituents on a hydrocarbon chain should be listed in which order?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!