Cuantos gramos de bromuro de potasio se necesitan para preparar 1,2 litros de solución al 100% g/g? Me podrían ayudar por favor y explicarme cómo se resuelve paso por paso.

Sand is more likely than shale to preserve fossils. true false

Fill in the blanks for the following statements: the rms speed of the molecules in a sample of h2 gas at 300 k will be times larger than the rms speed of o2 molecules at the same temperature, and the ratio µrms (h2) / µrms (o2) with increasing temperature.

How many moles of water are produced if 5.43 mil pb02 are consumed?