What is the pH of a solution that has a H + concentration equal to 1.7 x 10-5 M?

5.20

0.22

10.20

4.77

How many moles of CuO would be required to produce 12 mol of copper metal in this reaction? CuO (s) + H2 (g) - - Cu (s) + H2O (g)

What is the mass of the helium nucleus?

If 10.95 g K2SO4 is used up in a reaction, How many atoms would that be?

What are the most reactive nonmetals found on the periodic table?

Metals show a wide range of chemical behavior. Give examples of that variation by describing some common properties of calcium, gold, iron, and sodium.

HNO3 + H2O > H3O (aq) + NO3 - (aq)

What do you get when you mix lemons with gunpowder

What is the mass of 9.92*10^24 molecules of methanol?

How many moles of h2so4 are required to react with 6.80 miles of al2o3

Which explanation best describes a wave? A. a disturbance that travels through a medium with a transfer of energy and matter B. a disturbance that travels through a medium without a transfer of energy and matter C.