An unknown was tested using a procedure similar to the one for this experiment. It was found to contain Cu and Pb ions. What does this suggest about the painting

An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh

In salt water solution, the salt is the blank

What is the atomic number of an atom that has 6 protons