How many moles of KBrO3 are required to prepare 0.07 moles of Br2 according to the reaction:
KBrO3 + KBr + HNO3 KNO3 + Br2 +H2O

a.
0.210
c.
0.0220
b.
0.0233
d.
0.0732

A. 0.210

Explanation:

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each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.

answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;