3 years ago

If the volume of both A and C is 2mL, assuming the particles are the same size, what is the density of A? Remember D=M/V

Chemistry

2 answers:

Marat540 [252]3 years ago

7 0

How to Inbox anyone here..

i am a new user.

Sergio039 [100]3 years ago

5 0

Answer:

Just like a solid, the density of a liquid equals the mass of the liquid divided by its volume; D = m/v. The density of water is 1 gram per cubic centimeter. The density of a substance is the same regardless of the size of the sample. Summary. Students measure the volume and mass of water to determine its density.

Explanation:

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What molarity is made when 36.5 g HCl is mixed into 250 mL of solution?

Dominik [7]

Answer:

The molarity of the HCl solution is 4M.

Explanation:

$Molarity=\frac{number\:of\:moles}{Volume\:of\:solution\:in\:L}\\ \\The\:volume\:of\:solution=250mL=0.25L\\\\Number\:of\:moles=\frac{weight\:of\:HCl\:in\:solution}{molecular\:weight\:of\:HCl}\\ \\Molecular\:weight\:of\:HCl=36.5g\\\\The\:weight\:of\:HCl\:in\:solution=36.5g\\\\Number\:of\:moles\:of\:HCl=\frac{36.5}{36.5}=1\:mole\\\\The\:molarity\:of\:HCl\:solution=\frac{1}{0.25}=4M$