A chemist mixes 77.g of diethyl ether with 99.g of methanol and 93.g of 4-methyl-2-pentanone. Calculate the percent by mass of each component of this solution. Be sure each of your answer entries has the correct number of significant digits.

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

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