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2 years ago

What is the density of a liquid if 12.5 ml of the liquid has a density of 9.80 g?

Chemistry

1 answer:

blagie [28]2 years ago

3 0

Answer:

The answer is

Explanation:

The density of a substance can be found by using the formula

<h3> $density = \frac{mass}{volume}$ </h3>

From the question

mass of liquid = 9.8 g

volume = 12.5 mL

The density is

$density = \frac{9.8}{12.5}$

We have the final answer as

Hope this helps you

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Calculate the mass in 4.05*10^22 molecules of calcium phosphate

Marizza181 [45]

Answer:

m = 20.9 g.

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to solve this problem by recalling both the Avogadro's number for the calculation of the moles in the given molecules of calcium phosphate and the molar mass of this compound in order to secondly calculate the mass as shown on the following setup:

$m=4.05x10^{22}molecules*\frac{1mol}{6.022x10^{23}}*\frac{310.18g}{1mol}\\\\m=20.9g$

Regards!

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2 years ago

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TiliK225 [7]

Answer:

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2 years ago

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2 years ago

What state of matter change is rain?

Charra [1.4K]

Answer:

The state of matter of rain is liquid. Clouds are 2 states of matter, liquid and gas

Explanation:

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2 years ago

Lithium chloride forms three hydrates. They are LiCl.H2O, LiCl.2H2O and LiCl.3H2O.

Stels [109]

Answer:

The answer is LiCl.2H2O

Explanation:

Li=7

Cl=35.5

O=16

LiCl.H2O

7+35.5+16+2

60.5

%comp=60.5/78.5×100

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LiCl.2H20

7+35.5+2(2+16)

42.5+36

78.5

%comp=36/78.5×100

45.9

LiCl.3H20

7+35.5+3(2+16)

42.5+54

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54/96.5×100

56.0

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2 years ago