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
nexus9112 [7]
3 years ago
13

Gold has a molar mass of 197 g/mol. (a) how many moles of gold are in a 3.98 g sample of pure gold? (b) how many atoms are in th

e sample?
Chemistry
1 answer:
Natali5045456 [20]3 years ago
6 0
A.)49.4974874 moles or 49.5 moles
B.)2.980808730172671e+25 or 3e+25
You might be interested in
Which best describes the motion of molecules in the gaseous state?
artcher [175]

Answer:

They spread apart to fill the enclosed object. In other words they move freely...

hope this helped you

please mark as the brainliest(ㆁωㆁ)

5 0
3 years ago
In humans, genetic material in the cell is organized into
vladimir2022 [97]
23 pairs of chromosomes, since there is 46 singular chromosomes.
6 0
3 years ago
Is material that has a density of 0.2g/ml good for building a bridge or for making couch cushions
lisov135 [29]
D = 0.2 g / ml = 0.2 g / cm³
For example, density of steel is 7.85 g / cm³.
Density of pure water is 1.0 g/cm³. An object which has a density < 1.0 g/cm³ will float in water.
Answer: Material that has a density of 0.2 g/ml ( 0.2 g/cm³ ) is good for making couch cushions. 
8 0
3 years ago
Read 2 more answers
Radio station broadcast signals two different frequency bands. These are Called ?
rusak2 [61]

Answer:

I  think it is AM and frequency

Explanation:

Sorry if i'm wrong ;)

6 0
3 years ago
Read 2 more answers
What is the chemical formula for the dancing gummy bear<br>​
PIT_PIT [208]

Answer:

— Molten Potassium Chlorate + sugar (gummi bear) ->

7 0
2 years ago
Other questions:
  • Water learned in science class that different substances release heat at different rates. He decides to test this. At home, Walt
    9·2 answers
  • A molecule is made up of two or more chemically bonded atoms. true or false
    6·1 answer
  • Which of the following describes all of the types of water found in the hydrosphere? ( A) all frozen water on the Earth
    12·2 answers
  • Based on the equation, how many grams of Br2 are required to react completely with 36.2 grams of AlCl3?
    6·1 answer
  • Stored energy due to position is know as blank energy
    13·1 answer
  • The photo shows wires made of pure copper, an element,
    12·1 answer
  • Can you help me on this stuff
    13·1 answer
  • I really need help with this problem.
    10·1 answer
  • Which element is the most reactive?
    8·2 answers
  • Explain why Nitrogen -17 is unstable
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!