El ácido nítrico (HNO3) comercial es 16M y su densidad es 1,6 g/mL ¿Cuál es el porcentaje de agua que contiene dicha solución?

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

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.