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Maurinko [17]
3 years ago
10

What is the frequency of radiation whose wavelength is 0.73 nm?

Chemistry
1 answer:
Travka [436]3 years ago
8 0
405 PHz
I might be wrong because that might be for 0.74 nm. We will see with out people answers
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valina [46]

2)c

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6)a

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3 years ago
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A solution of hydrocloric acid has a molarity of 2.25 M HCl. If a reaction requires 5.80 g of HCI, what
Natali [406]

Answer:

0.071L

Explanation:

From the question given, we obtained the following data:

Molarity of HCl = 2.25 M

Mass of HCl = 5.80g

Molar Mass of HCl = 36.45g/mol

Number of mole of HCl =?

Number of mole = Mass /Molar Mass

Number of mole of HCl = 5.8/36.45 = 0.159mole

Now, we can obtain the volume required as follows:

Molarity = mole /Volume

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3 years ago
A household cleaner has a pH around 10. It would be considered
anyanavicka [17]

Answer:

an acid

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4 0
2 years ago
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Question 5 of 10
vladimir1956 [14]

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Solar eclipse

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What is the mass of a sample of a substance with a volume of 120 ml and a density of 0.75 g/ml?
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Density=mass / volume.

0.75= mass / 120.

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