cerisemarten651

Consider the reaction
4 KO2(s) + 2 CO2(g) →
2 K2CO3(s) + 3 O2(g).
How much KO2 is needed to react with 75.0 L
of carbon dioxide at STP?
1. 6.70 mol
2. 0.838 mol
3. 13.4 mol
4. 1.67 mol
5. 3.35 mo

Complete the following table by filling in the formula of the ionic compound derived from the cations on the left and each of the anions across the top.

How to solve this problem? 

  Br− H2PO4− SO32− Na+   Fe2+

Explain how you would prepare 100 mL of 0.500 M(mole) HCI from 8.00 M HCI.