Write the electron configuration, orbital filling diagram, and shorthand notation for gallium

What is the molality of a solution that has 4 mol of kci in 0.800 kg of water

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

100mg magnesium reacts with 20ml of 1.0m hcl