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BlackZzzverrR [31]
3 years ago
6

From left to right, the three regions of a phase diagram represent the _____ of a substance.

Chemistry
2 answers:
anyanavicka [17]3 years ago
8 0
The appropriate answer is c. the solid phase, liquid phase and gas phase of a substance. A phase diagram is used to represent the phase or physical state of a substance at a given temperature or pressure. Pressure is represented on the y axis while temperature is represented on the x axis. Phase diagrams are used in areas such as Physics, Chemistry, Engineering, Mineralogy and Material Science.
Veronika [31]3 years ago
4 0
B. solid phase liquid phase and gas is correct
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Mass of sodium thiosulfate Na_{2}S_{2}O_{3} is 110. g

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Calculating the moles of sodium thiosulfate:

110. g Na_{2}S_{2}O_{3} * \frac{1 mol Na_{2}S_{2}O_{3}}{158.1 g Na_{2}S_{2}O_{3}} = 0.696 molNa_{2}S_{2}O_{3}

Converting the volume of solution to L:

350. mL * \frac{1 L}{1000 mL} = 0.350 L

Finding out the concentration of solution in molarity:

\frac{0.696 mol}{0.350 L} =  1.99 mol/L

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