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
4vir4ik [10]
3 years ago
15

Number 3 please. I have no hope

Chemistry
1 answer:
kykrilka [37]3 years ago
7 0
Dang well get that app that you take a picture of then bam your answer good luck dude.
You might be interested in
5) 3Na2SO4
xenn [34]

Answer:

3Na2SO4

Explanation:

3Na2SO4

# of molecules: 3 moles of Na2SO4 or 3 × 6.22 × 10^23 molecules.

# of elements: 3 elements l

Name of element: = Sodium, S = Sulphur, O = Oxygen

# of atoms: Na = 6 atoms, S= 3, O= 12

Total # of atoms: 21

The #3 is a Coefficient.

Please mark branliest if you are satisfied. Thanking in anticipation.

7 0
2 years ago
How many moles are there in 32.4 grams of Na
Natalija [7]
Divide that my the molar mass which is 23 so 1.4087 g
8 0
3 years ago
Convert 9.78 gallons toliters
Vika [28.1K]

Answer:

44.46076 litres

Explanation:

5 0
3 years ago
Read 2 more answers
HELPP PLEASEEE I REALLY NEED IT!!!!!!!!
SSSSS [86.1K]
Answer:

Americium is: [Rn]5f^7s^2

Bismuth is: [Xe]6s^24f^145d^106p^3

Tin is: [Kr]4d^105s^25p^2

Vanadium is: [Ar]3d^34s^2

Aluminum is [Ne]3s^23p^1
8 0
2 years ago
PLEASE HELP!!!
Alisiya [41]

Answer:

1,321.986 (the first one)

6 0
2 years ago
Other questions:
  • Calcium hydroxide reacts with carbon dioxide to form calcium carbonate (balanced equation given below). if you start with 155 ml
    5·1 answer
  • Calculate the vapor pressure (in torr) at 298 k in a solution prepared by dissolving 15.3 g of the non-volatile non-electrolye u
    10·1 answer
  • Which star is hotter,but less luminous, than polaris
    7·1 answer
  • How many electrons in an atom can have the quantum numbers n = 4, l = 0, ml = 0, ms = +fraction one half?
    9·1 answer
  • What is the symbol for molarity?<br><br> m<br> M<br> g<br> l
    8·1 answer
  • Edge2020 Need Help
    12·2 answers
  • Can you mix copper with rubbing alcohol
    7·1 answer
  • A gas occupies 3.5L at 2.5 atm of pressure. What is the volume at 787 torr at the same temperature?
    10·1 answer
  • How much water must be added to 424 mL of 0.189 M HCl to produce a 0.140 M solution?
    15·1 answer
  • Which of the following statements (is/are) true?(Select all that apply.)Chemical formulas show the symbols of the elements in a
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!