The student used: 2g of copper oxide (in excess)
25cm^3 of a solution of dilute sulfuric acid with a concentration of 49 g/dm^3

Relative atomic masses: Cu = 63.5 O = 16
Relative formula mass of sulfuric acid = 98

Determine by how many moles the copper oxide (CuO) was in excess.

Please help!!!

im not exactly sure but i think its b!

brian made this table to organize his notes on changes of state. depostion is a change of state that has the wrong energy change listed. it is utilized to collect data as a portion of the development means and in restricted conditions which may be applied at test.

a deposition in the authority of the united states or research for development in the authority of canada includes the catching of affirmed. the out-of-court verbal assertion of a spectator that may be lessened to a printed record for succeeding application for discovery purposes.