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Law Incorporation [45]
3 years ago
11

How would you use density to identify an unknown substance

Chemistry
2 answers:
alexdok [17]3 years ago
8 0
Seaport is correct for your question


ale4655 [162]3 years ago
4 0
You would measure the substances mass and its volume, then divide the mass by the volume.
You might be interested in
What is a property of a solution with a high pH? Select all that apply. *
Lena [83]

Answer:

Bases (solutions with a high pH) feel slipper, have an -OH group, and are corrosive.

8 0
3 years ago
What is the concentration (M) of CH3OH in a solution prepared by dissolving 34.4 g of CH3OH in sufficient water to give exactly
bonufazy [111]

Answer:

4.67M

Explanation:

The concentration of methanol (CH3OH) can be calculated using the following:

Molarity (M) = number of moles(n)/volume(v)

However, mole is not given. It can be obtained by using:

Mole = mass / molar mass

Where; mass = 34.4g

Molar mass (MM) of CH3OH is:

= 12 + 1(3) + 16 + 1

= 12 + 3 + 17

= 32g/mol

mole = 34.4/32

mole = 1.075mol

The volume needs to be converted to L by dividing by 1000

230mL = 230/1000

= 0.230L

Molarity = mol/volume

Molarity = 1.075/0.230

Molarity = 4.6739

Molarity = 4.67M

The concentration of CH3OH in solution is 4.67M

5 0
3 years ago
Please please help me please please help please please help me please please help please please
Tatiana [17]

Answer:

AU9NJ-BLVHV-TCLJS-54YTB

6 0
3 years ago
How can so many different substances in the world be made of so few elements?
Mrrafil [7]
Matematically speaking, maybe because:
The number of substances = number of elements + number of different combinations of those elements
7 0
3 years ago
What do scientists use scientific notation for?
tamaranim1 [39]
Scientists use scientific notation to simplify numbers, basically. When dealing with really big numbers or really small numbers, the usage of scientific notation prevents them from having to write a bunch of zeroes.
Hope that helped you!
8 0
3 years ago
Read 2 more answers
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