A chemistry student needs 75.0g of dimethyl sulfoxide for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of dimethyl sulfoxide is . Calculate the volume of dimethyl sulfoxide the student should pour out. Be sure your answer has the correct number of significant digits.

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A chemistry student needs 75.0g of dimethyl sulfoxide for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of dimethyl sulfoxide is [tex]1.10g/cm^3[/tex] . Calculate the volume of dimethyl sulfoxide the student should pour out. Be sure your answer has the correct number of significant digits.

Answer: [tex]68.2cm^3[/tex]

Explanation:

To calculate the  volume of dimethyl sulfoxide, we use the equation:

[tex]\text{Density of substance}=\frac{\text{Mass of substance}}{\text{Volume of substance}} [/tex]

Density of dimethyl sulfoxide is  = [tex]1.10g/cm^3[/tex]

Mass of dimethyl sulfoxide is  = [tex]75.0g/cm^3[/tex]

[tex]\text{Volume of dimethyl sulfoxide}=\frac{\text{Mass of dimethyl sulfoxide }}{\text{ Density of dimethyl sulfoxide}} [/tex]

Putting values in above equation, we get:

 [tex]\text{Volume of dimethyl sulfoxide}=\frac{75.0g}{1.10g/cm^3} =68.2cm^3=68.ml[/tex]    [tex]1cm^3=1ml[/tex]

Thus the volume of dimethyl sulfoxide the student should pour out is [tex]68.2ml[/tex]