How many moles of carbon dioxide, CO2, are in a 38.72 gram sample of the compound? a
0.88 moles
b
0.88 grams
с
1442 moles
d
1442 grams

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.