What mass does 2.41 moles of copper have? A 632 g
B 280 g
C 153 g D 352 g
E 820 g

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?

Which one of the following is an oxidation-reduction reaction? naoh + hno3 --> h2o + kno3 naoh + hno3 --> h2o + kno3 so3 + h2o --> h2so4 cacl2 + na2co3 --> caco3 + 2 nacl ch4 + 2 o2 --> co2 + 2 h2o al2(so4)3 + 6 koh --> 2 al(oh)3 + 3 k2so4

How many moles does 80.0 h2o respresent