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Anvisha [2.4K]
3 years ago
12

23. What is the molarity of NO3- in each solution?

Chemistry
1 answer:
Sauron [17]3 years ago
6 0

Answer:

Explanation:

A) 0.150

B) 0.300

C) 0.450

hope it helps:)

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7440.00 + (6.00 × 10^-3 × 5.43 × 10^8)
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The answer to this would be 3,265,440
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4 years ago
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What is 5 ounces in milliliters?
SIZIF [17.4K]
1 ounces ----------- 29.5735 mL
5 ounces ----------- ??

5 x 29.5735 / 1 => 147.868 mL

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6 0
3 years ago
Amateur radio operators in the United States can transmit on several bands. One of those bands consists of radio waves with a wa
zloy xaker [14]

Answer:

1.5×10⁷ Hz

Explanation:

From the question given above, the following data were obtained:

Wavelength of radio wave (λ) = 20 m

Frequency (f) =?

Frequency and wavelength of a wave are related by the following equation:

v = λf

Where:

'v' is the velocity of electromagnetic wave.

'λ' is the wavelength

'f' is the frequency.

With the above formula, we can obtain the frequency of the radio wave as illustrated below:

Wavelength of radio wave (λ) = 20 m

Velocity (v) = 3×10⁸ m/s

Frequency (f) =?

v = λf

3×10⁸ = 20 × f

Divide both side by 20

f = 3×10⁸ / 20

f = 1.5×10⁷ Hz

Thus the frequency of the radio wave is 1.5×10⁷ Hz

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3 years ago
Does the atomic mass of an atom change when an electron is added or removed?
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Answer:

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Explanation:

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3 years ago
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12. A heterogeneous mixture is a
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D. mixture in which its components retain their identity

In a heterogeneous mixture, multiple substances are mixed, but they don't chemically react and they remain chemically the same.
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3 years ago
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