1. For the following chemical reaction: HClO2(aq)+NaOH(aq)>>>>>>H2O(l)+NaClO2(aq

Question

1. For the following chemical reaction: HClO2(aq)+NaOH(aq)>>>>>>H2O(l)+NaClO2(aq), write the net ionic equation including phases.

2. What is the oxidation state in each element for Mn(CrO4)2?  Answer ____Mn  _____Cr  _____O

3. A 13.0-L helium tank is pressurized to 29.0 atm. When connected to this tank, a balloon will inflate because the pressure inside the tank is greater than the atmospheric pressure pushing on the outside of the balloon. Assuming the balloon could expand indefinitely and never burst, the pressure would eventually equalize causing the balloon to stop inflating. What would the volume of the balloon be when this happens? Assume atmospheric pressure is 1.00 atm. Also assume ideal behavior and constant temperature. Answer ______L

Explanation / Answer

CrO4 exists as 2- ion means than Mn is +4

now since O is 2- hence Cr will exist as +6 ion

for 1st

two equations will exist simultaneously i.e

Final equation is

HClO2(aq) + OH-(aq) --> ClO2-(aq) + H20(l)

NaClO2 can be written as Na+(aq) and ClO2- as it is strong compound

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