Se disuelven 48g de una sustancia X en 80.0g de H, O. Si la molalidad de la solución es 0.30, determine el peso molecular de la sustancia:

What would most likely be the transmittance of a 0.70 m solution of solute a?

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth

Predict the relative bond lengths of the three carbon-oxygen bonds in the carbonate ion (co2−3). what would you expect the charge to be on each oxygen? match the words in the left column to the appropriate blanks in the sentences on the right. make certain each sentence is complete before submitting your answer.