If you have 0.00764 mole of H2CO3, how many molecules do you have? Put your answer in 3 sig figs and scientific notation

Example: if you get 123000 put you answer as 1.23*10^5

Make sure you use (*) not (x) in front of the 10.

At stp, what is the volume of 1 mole of co2?

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.