When the following equation is balanced, the coefficient of C3H8O3 is __________. C3H8O3 (g) + O2 (g) CO2 (g) + H2O (g) Select one: A. 5 B. 3 C. 1 D. 2 E. 7

Lead (II) carbonate decomposes to give lead (II) oxide and carbon dioxide: PbCO₃ (s) PbO (s) + CO₂ (g) How many grams of lead (II) oxide will be produced by the decomposition of 2.50 g of lead (II) carbonate?

Select one:

A.

0.41

B.

2.61

C.

2.50

D.

0.00936

E.

2.09