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
ser-zykov [4K]
3 years ago
12

a sample of ammonia contains 9g hydrogen and 42g nitrogen. another sample contains 5g hydrogen .calculate the amount of nitrogen

in the second sample
Chemistry
1 answer:
balandron [24]3 years ago
4 0
9 g of hydrogen - 42 g of nitrogen
5 g of hydrogen - x g of nitrogen

9x=42 \cdot 5 \\
9x=210 \\
x \approx 23.33

The mass of nitrogen in the second sample is 23.33 g.
You might be interested in
I have 2 Valence electrons and 1 energy levels
natima [27]

Answer:

Hydrogen(H) and Heluim(He)

Explanation:

These are the only two valennce electrons and 1 energy levels.

3 0
3 years ago
Read 2 more answers
Which feature do you usually see when tectonics plates move apart?
exis [7]
A. new ocean ridges and seafloor 
5 0
3 years ago
A patient had for dinner a 3 oz steak, 3 oz salmon, 1 medium apple, and 1 cup of nonfat milk. Using the
Llana [10]

Answer:

1

Explanation:

because there barely eating and there eating protien and healthy foods

3 0
3 years ago
Que es la lluvia acida?​
givi [52]

Answer:

sour

Explanation:

8 0
3 years ago
To find the number of neutrons in a atom, you subtract the number of_____ from the mass number.
Slav-nsk [51]

You can simply subtract the atomic number from the mass number in order to find the number of neutrons.

8 0
3 years ago
Read 2 more answers
Other questions:
  • A herd of sheep moves up the mountain to graze during summer, and migrates to the valley during winter. What type of migration d
    11·2 answers
  • In a eukaryotic cell, in which structure are proteins made?
    6·2 answers
  • An organism whose cell contains a nucleus.
    12·1 answer
  • How many moles of solute are present in 150mL of 0.30 mol/L NaOH solution
    15·1 answer
  • How would I use the word evolution in a sentence?
    15·1 answer
  • Helium decays to form lithium. Which equation correctly describes this decay? Superscript 6 Subscript 2 Baseline Upper H e right
    11·2 answers
  • Why might genetically identical twins have different phenotype
    7·1 answer
  • Which of these is not a structural adaptation? A) Horns B) Thick white fur C) Seasonal migration D) A long beak
    9·1 answer
  • britta knows that it is wrong to break into a store that is closed, but there is a medical emergency and she has no cell phone w
    5·1 answer
  • Chemistry: how does temperature relate to kinetic energy? pls answer in a short and easy way :D
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!