Calcular la Molaridad y Molalidad de una solución que contiene 84 gramos de H2SO4 disueltos en 980 gramos de agua. H: 1 gr S: 32 grs O: 16 grs

The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

Which formula can be used to calculate the molar mass of hydrogen peroxide