You can only measure properties of matter true or false

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?

Some molecular compounds, such as hcl, ionize completely in solution. for molecular compounds such as h2co3, most molecules do not ionize in solution. which describes the properties of these two solutes? a. hcl and h2co3 have the same effect on the properties of the solution. b. hcl raises the freezing point of water more than h2co3 does. c. hcl raises the boiling point of water more than h2co3 does.