Which set of balancing coefficients (in respective order) can be used to balance the following reaction:
-- K (s) + __ H2SO3 (aq) --
-->
_K2SO3 (aq) + __H2
-
a) 1,2,2,1
b) 2.1.2.1
c) 1,2,1,2
d) 2,1,1,1

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Use the drop-down menus to label each of the following changes p for physical change and c for chemical change. the substance changes to a new substance. the original substance can be recovered. the color changes. gas is produced and given off. the substance changes size, shape, or volume.

How do you calculate the mass of a product when the amounts of more than one reactant are given?