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lina2011 [118]
4 years ago
9

When finding molar mass of a compound what

Chemistry
1 answer:
Nata [24]4 years ago
3 0

We require the information related to atomic mass of the compound and the number of each element present in the compound.

Option A

<u>Explanation:</u>

Molar mass is the amount of any compound present in a given sample. So we can determine the molar mass of any compound by the ratio of atomic mass of the compound to the amount of compound or element present in the sample.

So it can be defined as the mass of the compound in a given sample with respect to the number of elements present in that sample. Thus, we require the information related to atomic mass of the compound and the number of each element present in the compound.

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Two waves were analyzed with some high-tech instrumentation. The first wave was found to have a wavelength of 3 x 10 m and the s
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Explanation:

The first wave was found to have a wavelength of 3 x 10⁵ m and the second wave had a wavelength of 3 x 10⁴ m

We need to find which wave have a higher frequency.

The relation between frequency and wavelength is given by :

c=f\lambda

Let f₁ and f₂ be the frequency of wave 1 and wave 2.

f_1=\dfrac{c}{\lambda_1}\\\\f_1=\dfrac{3\times 10^8}{3\times 10^5}\\\\=1000\ Hz

And

f_2=\dfrac{c}{\lambda_2}\\\\f_2=\dfrac{3\times 10^8}{3\times 10^4}\\\\=10000\ Hz

Hence, the wave having less wavelength will have higher frequency. The wave having wavelength 3 x 10⁴ m will have higher frequency.

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3 years ago
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Answer:

yes

Explanation:

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What is 25 grams of HF?
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I found a link that will direct you to the answer of this questions
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16.25 cm = how many feet
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