Se preparan 800g de una disolución, para ello se disuelve 5g de un soluto, determinar la composicion de la solucion en %m/m

No copying 15 pts how does a free-body diagram tell you about the net force on an object?

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth

If 15 drops of ethanol from a medicine dropper weigh 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? density of ethanol is ethanol is 0.80g/ml.