A 7.50 g sample of a nonvolatile, non-electrolyte is dissolved in 75.0 g of water. The solution boils at 100.56°C. If the molal-boiling-point constant 0.52°C/m for water, the molar mass of the solute is g/mol.​

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

What mass of glucose is produced when 54g of water react with carbon dioxide