The student puts a teaspoon (10 g) of C12H22O11 sugar in a cup of tea. How many sugar molecules does a student drink along with this tea?

1.76 x 10²²molecucles

Explanation:

Given parameters:

Mass of the sugar  C₁₂H₂₂O₁₁  = 10g

Unknown:

Number of molecules  = ?

Solution:

The number of molecules can be determined if we find the number of moles first.

  Number of moles  =  

  Molar mass of C₁₂H₂₂O₁₁ = 12(12) + 22(1) + 11(16) = 342g/mol

 Number of moles  =   = 0.029mole

1 mole of C₁₂H₂₂O₁₁ will contain 6.02 x 10²³

  0.029 mole of C₁₂H₂₂O₁₁ will be made up of 0.029 x 6.02 x 10²³

                         = 1.76 x 10²²molecucles

jjj89t'ji; it hink the answer is your mom is not si

when the volume of gas is   changed from   717.73 ml   to 852 ml   the temperature will   change   from 315   c to 452   c

    calculation

this is calculated using the charles law formula

that is,   v1/t1 = v2/t2

          v1=?

        t1 = 315 c   into   kelvin = 315 +273 = 588 k

        v2 = 852   ml

        t2 = 425c + 273 =698 k

make v1   the subject of the formula ( by   multiplying both side by t1)

  v1=( v2 xt1) / t2

v1= (852 ml   x 588 k)/ 698 k= 717.73 ml