What are the ion concentrations in a 0.12 m solution of alcl3? a) 0.12 m al3+ ions and 0.040 m cl- ions b) none of the answers c) 0.36 m al3+ ions and 0.12 m cl- ions d) 0.12 m al3+ ions and 0.36 m cl- ions e) 0.040 m al3+ ions and 0.040 m cl- ions

Asmall amount of a solid is added to water. the observation made after fifteen minutes is shown in the figure. which of these solids has been probably added to water? a) oil b) sand c) sugar d) wood chips

Given the following information: mass of proton = 1.00728 amu mass of neutron = 1.00866 amu mass of electron = 5.486 × 10^-4 amu speed of light = 2.9979 × 10^8 m/s calculate the nuclear binding energy (absolute value) of 3li^6. which has an atomic mass of 6.015126 amu. j/mol.

When the mercury level in a barometer decreases that atmospheric pressure has