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snow_lady [41]
2 years ago
15

Is sulfur dioxide a compound, mixture or element? Thanks!

Chemistry
1 answer:
horsena [70]2 years ago
5 0
It is a compound because a compound is two or more different elements chemically combined.
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A 13.00 g sample of citric acid reacts with an excess of baking soda as shown in the equation.
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A student mixes 20.0gof white KCl crystals with distilled water in a beaker. After the mixture was stirred, no crystals are visi
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2 years ago
If 0.2 g of nitrobenzene are added to 10.9 g of naphthalene, calculate the molality of the solution. (given: molar mass of nitro
In-s [12.5K]

Molality is defined as 1 mole of a solute in 1 kg of solvent.  

Molality=

\frac{Number of moles of solute}{Mass of solvent in kg}

Number of moles of solute, n=  

\frac{Given mass of the substance}{Molar mass of the substance}

Given mass of the nitrobenzene=0.2 g

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Number of moles of nitrobenzene,  

n= \frac{0.2 }{123.06}

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7 0
3 years ago
A 25.0 mL sample of 0.123 M HCl was titrated with 18.04 mL of NaOH . What is the concentration of the NaOH ?
Blababa [14]

Answer:

0.170 M

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* Please text me at 561-400-5105 for tutoring: I can do assignments, labs, exams, etc. :)

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2 years ago
An element is?
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i think it’s D , not sure though

4 0
2 years ago
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