If the wavelength of wave B is 0.45 m, what is the wave speed? ASAP

Explain what happens at the saturation point when adding salt to water at room temperature.

What is the pressure of 0.500 moles of carbon dioxide gas in a 2.5 l tank and at a temperature of 301 k? (r=0.0821 l·atm/mol·k) 3.08 atm 1.2 atm 0.23 atm 4.01 atm 4.94 atm

Of the following elements, which is the least reactive? a. c b. h c. li d. he