Which statement about pure substances and molecules is correct? O All pure substances are molecules.
O All molecules are pure substances.
o Molecules cannot be pure substances.
O Pure substances cannot be molecules.

am i too late?

explanation:

weight of any object is given by

w = m*g

where m is mass of the object and g is the acceleration due to gravity.

for earth the value of g is 9.8 m/s^2 so

w=117.6 n m=12 g=?

117.6=12g => g=9.8 m/s^2

which is the force of gravity on earth.