A sample of 54.78 liters of H2 would have a mass of A. 6.90 grams
B. 4.94 grams
C. 1.34 grams
D. 3.44 grams
E. 2.25 grams

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?

What volume would 2.25 moles of ne has occupy at stp?