What is the mass of 7.54 moles of propane gas, C3H8?

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

What shape would a molecule with two bound groups and two lone pairs have?

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