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kirill115 [55]
3 years ago
5

The formula for mustard gas used in chemical warfare is c4h8scl2 (159.09 g/mol). what is the percentage of hydrogen in the compo

und?
Chemistry
1 answer:
True [87]3 years ago
4 0
The molecular formula for mustard gas is C₄H₈SCl₂
the molecular mass of mustard gas - 159.09 g/mol
atomic mass of H is 1 g/mol
The mass of H in 1 mol of compound - 1 x 8 = 8 g
this means that in 159.09 g of compound , 8 g of H present 
mass percentage of hydrogen = 8 g/ 159.09 g x 100% 
mass percentage of hydrogen = 5.03%
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The ka values for several weak acids are given below. which acid (and its conjugate base) would be the best buffer at ph = 8.0?
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One of the best buffer choice for pH = 8.0 is Tris with Ka value of  6.3 x 10^-9.

To support this answer, we first calculate for the pKa value as the negative logarithm of the Ka value: 
     pKa = -log Ka

For Tris, which is an abbreviation for 2-Amino-2-hydroxymethyl-propane-1,3 -diol and has a Ka value of 6.3 x 10^-9, the pKa is
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Therefore Tris would be a best buffer at pH = 8.0.
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3 years ago
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<img src="https://tex.z-dn.net/?f=%5Chuge%5Cmathcal%5Cblue%7BQuestion%7D" id="TexFormula1" title="\huge\mathcal\blue{Question}"
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Organic chemistry as the the study of general properties and compositions of organic compounds.

<h3 />

<h3>What is organic chemistry?</h3>

Organic chemistry can be simply defined as the study of organic compounds.

Organic chemistry studies the structure, properties, composition, reactions, and preparation of carbon-containing compounds also known as organic compounds.

Thus, we can defined organic chemistry as the the study of general properties and compositions of organic compounds.

Learn more about organic chemistry here: brainly.com/question/704297

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Answer:

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Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to calculate the required new volume by using the Charles' law as a directly proportional relationship between temperature and volume:

\frac{V_2}{T_2} =\frac{V_1}{T_1}

In such a way, we solve for V2 and plug in V1, T1 and T2 to obtain:

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Regards!

4 0
2 years ago
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