How many pounds (lb) of H2CO3 are in 9.29 x 10molecules of H2CO3

This is a mixture that has the same composition throughout.

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

What state of matter is ice a. liquid b. element c. solid d. gas