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valina [46]
3 years ago
9

Is a Face Mask (the one you use if you go out during this pandemic) a homogeneous mixture?

Chemistry
2 answers:
mrs_skeptik [129]3 years ago
7 0
The answer is Yes it is
KATRIN_1 [288]3 years ago
6 0

Answer:

yes it is homogeneous mixture

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Lapatulllka [165]
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3 0
3 years ago
What's the molality of a solution with 120 g of NaCl and 30 kg of water?
hodyreva [135]

Answer:

B

Explanation:

120÷30kg

30kg = 30000

120÷30000=0.004

hope it helps

7 0
3 years ago
Determine the volume of a cereal box that has a mass of 549.98 g and density of 1.69 g/cm3​
lisabon 2012 [21]

Answer:

I used a calculator to calculate the volume:

the volume formula is V =m

/ρ

the answer is 325.43195266272 cubic meter, or about 325.43

Explanation:

8 0
3 years ago
What type of charge is carried by the oxygen atom of a water molecule? a charge of 1– a charge of 2+ a partial negative charge a
labwork [276]

H-O bond is a covalent polar bond, also O is more electronegative than H, so

The oxygen atom in water molecule has

a partial negative charge.

4 0
3 years ago
Read 2 more answers
How many moles of hydrogen are in 1.1 mol of quinine?
koban [17]
To know the answer to this problem, you can search online or in any textbooks for the chemical formula of quinine. This is essential because you can detect from the chemical formula the number of hydrogen atoms. 

Quinine has the chemical formula C₂₀H₂₄N₂O₂. So, the ratio of hydrogen to quinine is 24/1.

<em>Moles of hydrogen = 1.1 mol quinine * 24/1 = 26.4 mol</em>
6 0
3 years ago
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