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
deff fn [24]
3 years ago
12

A chemist weighed out 101. g of mercury. calculate the number of moles of mercury she weighed out

Chemistry
1 answer:
diamong [38]3 years ago
3 0
<span>0.504 moles First look up the atomic weight of mercury. atomic weight of mercury = 200.59 Then divide the mass of the mercury you have by it's atomic weight 101 / 200.59 = 0.503515 So you have 0.503515 moles of mercury. Round the result to 3 significant digits giving you 0.504 moles.</span>
You might be interested in
What causes the recognition of an element from its energy signature?
Helga [31]

Answer:

I'm so sorry if this is wrong but I think its B

8 0
3 years ago
How do the names of molecular compounds differ from the names of ionic compounds.
34kurt

Long Answer:

Ionic: Cation is named first followed by the anion.

If it's an ionic compound with a transition metal, there are more than one possible ion. Molecular - named with the least electronegative ion first + prefixes are given to both ions to indicate number of atoms in each element.

Short Answer: Ionic compounds- Cation is named first, followed by the anion.

8 0
3 years ago
What tool is used in an explosion site to chemically detect explosive residues on objects?
qaws [65]

Answer:

ion mobility spectrometer

Explanation:

it is an handheld chemical dectection device

Hope this helps

Please mark me as Brainliest

8 0
3 years ago
Please help me with this problem.
brilliants [131]
1 μL = 10^-6 L by definition

So...
82 μL = 82x10^-6 L = 8.2x10^-5 L


3 0
3 years ago
Can you u eat mold??????? ​
Dahasolnce [82]

Answer:

You should avoid moldy foods as much as possible

Explanation:

Mold might produce harmful mycotoxins in all types of foods, but mycotoxin levels are tightly regulated. That said, you should avoid moldy foods as much as possible, especially if you have a respiratory allergy to mold. Nevertheless, accidentally ingesting it will probably not cause any harm.

6 0
3 years ago
Read 2 more answers
Other questions:
  • What volume of ammonia gas, measured at 547.9 mmHg and 27.6oC, is required to produce 8.98 g of ammonium sulfate according to th
    10·2 answers
  • What is the name of the covalent compound CCl4?
    11·1 answer
  • Estimate the volume of the football. Compare the football to the table tennis balls by dragging the football over the
    12·2 answers
  • Scientists test a hypothesis by?
    7·1 answer
  • What ion will be formed by the selenium atom shown below when it has a stable set of valence electrons?
    15·1 answer
  • How much forces is needed to accelerate a 3 kg skateboard at 5 m/s2?
    12·1 answer
  • When was Quartz found and how is it extracted??
    10·1 answer
  • Which group will have an electron configuration that ends in s2?
    11·1 answer
  • How many grams are in 0.39 moles of water
    7·1 answer
  • Which type of chemical reaction is represented by this equation
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!