A cuantos moles corresponden 250gr de HNO3​

answer; i believe the correct answer is (c) /// is a homogeneous mixture of gaseous substance nitrogen,oxygen and smaller amounts of other substancesmixtures can be either ( homogeneous or heterogeneous)plz check first good luck

answer; i believe that the correct answer is (a) potassium(k)

nuhygjhuhuouh9oygyuhuh8h9guig97uogh8uog978o0rfyhkmkv h

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.