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3 years ago

What’s mass spectrometry

Chemistry

2 answers:

earnstyle [38]3 years ago

5 0

Answer:

Mass spectrometry is an analytical technique that measures the mass to charge ratio of ions. The results are typically presented as a mass spectrum, a plot of intensity as a function of the mass to charge ratio.

DaniilM [7]3 years ago

4 0

Answer: .mass spectrometry is calculation of the masses of the different isotopes of an element.

Explanation:

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What is the concentration (M) of CH3OH in a solution prepared by dissolving 11.7 g of CH3OH in sufficient water to give exactly

Andrej [43]

Answer:

$3.65~M$

Explanation:

We have to remember the molarity equation:

$M=\frac{mol}{L}$

So, we have to calculate "mol" and "L". The total volume is 100 mL. So, we can do the conversion:

$100~mL\frac{1~L}{1000~mL}=~0.1~L$

Now we can calculate the moles. For this we have to calculate the molar mass:

O: 16 g/mol

H: 1 g/mol

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$(16*1)+(1*4)+(12*1)=32~g/mol$

With the molar mass value we can calculate the number of moles:

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Finally, we can calculate the molarity:

$M=\frac{0.365~mol~CH_3OH}{0.1~L}=3.65~M$

I hope it helps!

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