1-Hallar la densidad de un trozo de madera cuya masa es de 80 gramos y ocupa un volumen de 90 mililitros

What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

What’s the percent by mass of carbon in c10h14n2