What is the molecular formula of a compound that has a molecular mass of 54 and the empirical formula c2h3?
a. c2h3
b. c4h6
c. c6h9
d. c8h12

Explain the effects of nh3 and hcl on the cuso4 solution in terms of le chatelier's principle

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.