Help if your good at science

What is the name of the planet next to the label a?

Find the mass in grams of 1.37x1020 particles of h3po4

How many grams are in 68.2 molecules of br2?

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