The data for a combustion reaction between Li and O is shown below. Find the imperial equation for oxide of lithium.                             (Use Li = 6.941 g/mol and O = 15.994 g/mol) The initial mass of Li is 4.62687 g The final product mass is 9.95947 g

Identify thenumber of significant figures in thefollowing number 40.00

Do the following calculation and write the answer in proper number of significant figures 78.025 + 2 =

Do the following calculation and write the answer in proper number of significant figures 45.56 – 40.34

Identify the name of the following molecule Na2S

Identify the name of the following molecule CO2

In the paper chromatography experiment, you marked the line on chromatography paper with a pencil, the reason for this is.

Which of the following number has 4 significant figures?

Identify the name of the following molecule FeCl2

Identify the name of the following molecule Fe2O3