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
Valentin [98]
2 years ago
12

2.

Chemistry
1 answer:
schepotkina [342]2 years ago
3 0

Answer:

b. 6.02 x 1023 molecules

Explanation:

The formula mass of ammonia is 14 + 1 × 3 = 17.

The number of moles in 27.6g ammonia is 27.6 ÷ 17 = 1.62 mol.

A mole is 6.02 × 10²³, so the number of hydrogen atoms in a 1.62 moles of ammonia is 1.62 × 6.02 × 10²³ × 3 = 2.93 × 10² atoms.

You might be interested in
An(A)=25,n(B)=40,n(AuB)=50<br><br>AnB​
puteri [66]

Answer:

5879

Explanation:

3896_+746864uyrhufhj

5 0
3 years ago
Can someone help me I would really appreciate it
slega [8]
The condensed formula would be CH3-CH(CH4)-CH2-CH(CH4)-CH2-CH(CH4)-CH3. The molecular formula would be C10H25.
8 0
3 years ago
Which letter pattern best represents seafloor spreading? (Hint: Letter "f" represents the mid-
labwork [276]

Answer:

anna ou

Explanation:

6 0
3 years ago
Read 2 more answers
Please help I’ll mark brainliest!
Anni [7]

Answer:

D because excited electrons fall back.....

6 0
3 years ago
Read 2 more answers
Atoms of which two elements have combined total of 23 protons​
vichka [17]

Answer:

sodium and magnesium

Explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • A 5.00 L sample of a gas at 25.0 °C is expanded under constant pressure to 12.5 L. What is the final temperature of the gas in °
    14·1 answer
  • A 0.08541 g sample of gas occupies 10.0-ml at 288.5 k and 1.10 atm. upon further analysis, the compound is found to be 13.068% c
    9·2 answers
  • An element that is malleable is _____. difficult to pour easily shaped very hard very dense
    8·1 answer
  • An unknown acid solution has PH 3.4. 66% of the acid is ionized. Whats the pka?
    12·1 answer
  • The rule that an atom gains or loses electrons to form a full valance electron shell is often called the octet rule
    5·1 answer
  • Calculate the mass of NaF that must be added to 300ml if a 0.25m HF solution to form a buffer solution with a ph of 3.5​
    6·1 answer
  • What is a mass number​
    6·1 answer
  • When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any ti
    9·1 answer
  • What volume of water can be boiled by 3.0 kJ of energy? (Refer to table of
    10·1 answer
  • How do most diamonds get their color?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!