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Volume of cyclohexane (mL) 20.69 mL Mass of cyclohexane (g) ??? g Freezing point

ID: 1078846 • Letter: V

Question

Volume of cyclohexane (mL)

20.69 mL

Mass of cyclohexane (g)

???

g

Freezing point of pure cyclohexane (°C)

5.3 °C

Trial 1

Trial 2

Trial 3

Mass of weighing dish and sample (g)

2.8987 g

2.8036 g

2.6543 g

Mass of weighing dish (g)

2.5895 g

2.5994 g

2.5469 g

Mass of sample (g)

?? g

?? g

?? g

Total mass of sample (g)

??g

?? g

?? g

Freezing point of solution (average, °C)

4.1 °C

3.3 °C

2.9 °C

Freezing point depression (°C)

??°C

??°C

?? °C

Molality of solution (m)

?? m

?? m

?? m

Moles of sample in solution (moles)

?? moles

?? moles

?? moles

Molecular weight of sample (g/mol)

???x 10^??g/mol

??? x 10^??g/mol

??? x 10^??g/mol

Average molecular weight of sample (g/mol)

???x 10^?? g/mol

I AM HAVING EXTREME DIFFICULTY ANDYBIDY WHO CAN HELP I WOULD GREATLY APPRECIATE IT i NEED HELP AND IN THE LAST ONES, I NEED THE AVERAGE MOLECULAR WEIGHT OF SAMPLE IN A FORMAT LIKE THIS (8.0*10^5 G/MOL) SOMETHING LIKE THAT. I NEED HELP WITH THE CALCULATIONS IF YOU CAN SHOW WORK FOR EVEN ONE OF THE TRIALS i WILL GREATLY APPRECIATE IT

Volume of cyclohexane (mL)

20.69 mL

Mass of cyclohexane (g)

???

g

Freezing point of pure cyclohexane (°C)

5.3 °C

Trial 1

Trial 2

Trial 3

Mass of weighing dish and sample (g)

2.8987 g

2.8036 g

2.6543 g

Mass of weighing dish (g)

2.5895 g

2.5994 g

2.5469 g

Mass of sample (g)

?? g

?? g

?? g

Total mass of sample (g)

??g

?? g

?? g

Freezing point of solution (average, °C)

4.1 °C

3.3 °C

2.9 °C

Freezing point depression (°C)

??°C

??°C

?? °C

Molality of solution (m)

?? m

?? m

?? m

Moles of sample in solution (moles)

?? moles

?? moles

?? moles

Molecular weight of sample (g/mol)

???x 10^??g/mol

??? x 10^??g/mol

??? x 10^??g/mol

Average molecular weight of sample (g/mol)

???x 10^?? g/mol

I AM HAVING EXTREME DIFFICULTY ANDYBIDY WHO CAN HELP I WOULD GREATLY APPRECIATE IT i NEED HELP AND IN THE LAST ONES, I NEED THE AVERAGE MOLECULAR WEIGHT OF SAMPLE IN A FORMAT LIKE THIS (8.0*10^5 G/MOL) SOMETHING LIKE THAT. I NEED HELP WITH THE CALCULATIONS IF YOU CAN SHOW WORK FOR EVEN ONE OF THE TRIALS i WILL GREATLY APPRECIATE IT

Explanation / Answer

Volume of cyclohexane (mL) 20.69 mL Mass of cyclohexane (g) ??? g Freezing point