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
Zarrin [17]
3 years ago
12

Please help *chemistry*

Chemistry
1 answer:
Daniel [21]3 years ago
8 0
3 because I just did it
You might be interested in
What is the percent composition by mass of chlorine in LiCI
Lelechka [254]

Answer: Lithium (Li) 16.373%

Chlorine (Cl) 83.627%

Explanation:

6 0
3 years ago
16. Analysis of a sample of a covalent compound showed that it contained 14.4% hydrogen and 85.6% carbon by mass. What is the em
Andre45 [30]

Answer:a

Explanation:

3 0
3 years ago
How many grams of carbon dioxide would be formed if 38.9 g C2H2 reacted completely with oxygen
raketka [301]
2C₂H₂ + 5O₂ = 4CO₂ + 2H₂O

m(CO₂)/{4M(CO₂)} = m(C₂H₂)/{2M(C₂H₂)}

m(CO₂)=2M(CO₂)m(C₂H₂)/M(C₂H₂)

m(CO₂)=2*44g/mol*38.9g/26g/mol = 131.7 g

131.7 grams of carbon dioxide would be formed
6 0
3 years ago
Read 2 more answers
What is the correct name of the compound Pb(NO3)2?
Margaret [11]

Answer:

it's lead (ii) nitrate the name

4 0
2 years ago
How many molecules are in 4.92 moles of water?
bezimeni [28]

Answer:

Number molecules present = 4.92 multipled by avogadro's number.

4 0
3 years ago
Other questions:
  • The mass of a neutron is
    11·1 answer
  • SOS!!!You are trying to determine the volume of the balloon needed to match the density of the air in the lab. You know that if
    9·1 answer
  • Name the five methods used for the formation of salts??
    7·1 answer
  • How many grams of lead(II) nitrate must be dissolved in 1.00 L of water to produce a solution that is 0.300 M in total dissolved
    8·1 answer
  • Nucleotides have a phosphate group attached at the ___ carbon atom of the sugar.
    11·1 answer
  • Which substance most likely has the highest boiling point?
    14·1 answer
  • Which element has the largest nuclear charge?<br> Cs<br> Li<br> Mg<br> S
    14·1 answer
  • What is the formula for the compound iodine trichoride?
    15·1 answer
  • Elements chemically combine in various ways to form most substances on Earth. These chemically combined elements are called ____
    8·2 answers
  • elect all statements that correctly describe the stability of eclipsed and staggered conformers. Multiple select question. Stagg
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!