A student wishes to prepare 65.0 mL of 0.875 M HCl from 12.0 M HCl. What volume of the
12.0 M HCl should he/she start with?

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?

Which characteristics can be used to differentiate star systems? check all that apply.