18. What is the mass, in grams, of 4.76 moles of Na3PO4 (gram formula mass = 164 grams/mole)?
Express your answer to the correct number of significant
figures.

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene

6) (a) calculate the absorbance of the solution if its concentration is 0.0278 m and its molar extinction coefficient is 35.9 l/(mol cm). the depth of the cell is 5 mm. (b) what is the %t? (7) calculate the absorbance of the solution if the transmitted light intensity is 70% of the initial light beam intensity

Asolution is produced in which water is the solvent and there are four solutes. which of the solutes can dissolve better if the solution is heated?