Plzzz ! which of the following is a product formed when mgco3 decomposes? (2 points) select one:
a. co3
b. mg
c. o2
d. mgo

Different isotopes indicate that an element will have different numbers of

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

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