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
Sunny_sXe [5.5K]
3 years ago
7

How many moles are 5.55 x 102 atoms of Mg? M2) an> NU X 02.0

Chemistry
1 answer:
cupoosta [38]3 years ago
4 0

Explanation:

number of atoms = moles × avegadro number

so 5.55 × 10^2 = moles × 6.023 × 10^23

moles = 5.55 × 10^2 ÷ 6.023 × 10^23 = 9.214×10−22 moles

You might be interested in
Scientists think the moon was formed when
lubasha [3.4K]

Answer:

A meteor hit earth they think the moon is created from debris from earth but really God created it UwU

Explanation:

5 0
3 years ago
Classify each salt as acidic, basic, or neutral? -nh4cl -ca(no32
vichka [17]
The pH of salt depends on the component acid and base that comprise them. For example, if the salt is made up of strong acid and weak base then, the salt is acidic. If the salt is formed from strong base and weak acid then, the salt is basic. For this item, NH4Cl is acidic and also Ca(NO3)2 is acidic. 
3 0
3 years ago
H2 is a molecule, but H2O is a _____. 1.diatomic molecule, 2.compound, 3.neuron, 4.photon,
Sonbull [250]
H2O is a compound. So it's second one.
8 0
3 years ago
INFORMATION FOR MY LAST QUESTION THIS IS PART A OF THE QUESTION
Anika [276]

Answer:

The print is so little i cant read it. :( Sorry!

Explanation:

4 0
3 years ago
What is the length in inches (in) of a 100-meter soccer field?
max2010maxim [7]

Answer:

3937 inches

Explanation:

1m = 39.37 inches.

However, we want to know how long a 100m soccer field is, so we have to times the value for 1m by 100.

Therefore, an 100m soccer field = 100 x 39.37 = 3937 inches

7 0
3 years ago
Other questions:
  • According to periodic trend, which of the following most likely has the highest ionization energy?
    15·2 answers
  • The water cycle always follows the same pattern
    14·2 answers
  • A gas inside a piston initially has a pressure of 1.2 bars at temperature of 25 degree C and volume of 20.0 mL. If temperature i
    10·1 answer
  • How do lawmakers make good environmental decisions??
    15·1 answer
  • What is the function of the cell membrane
    5·1 answer
  • When 91.5 g of isopropyl alcohol which has an empirical formula of C3H8O is burned in excess oxygen gas, how many grams of H2O a
    10·1 answer
  • 422000 scientific notation form:
    13·1 answer
  • Of the choices below, which gives the order for first ionization energies? Of the choices below, which gives the order for first
    10·1 answer
  • The density of an object is 7 g/mL and has a volume of 2mL, what is the mass of the object?
    12·1 answer
  • Graphing is an important procedure used by scientist to display the data that is collected during a controlled experiment. There
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!