Calculate the number of ions in 42.3g of calcium nitrite. Hint: There are three ions per formula unit in this compound.
5.78x10^23 ions
1.35x10^23 ions
1.93x10^23 ions
5.32x10^-25 ions
3.86x10^23 ions

Geothermal energy for industrial use is available almost anywhere. a. true b. false

Which of the following are sources of revenue for media companies? a. direct sales to producers b. advertising and subscriptions c. online purchase d. capital investments

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .