How many moles are there in 9.2g of ethanol

Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.

Which statement would indicate the presence of an acid

State the effect on the concentration of the clo- ion when there is a decrease in the concentration of the oh- ion