Calculate the percentage (by mass) of sodium in sodium bicarbonate (NaHCO_3). HINT: Use the molar masses as the masses of Na and NaHCO_3

Will mark brainliest 26. which of these statements are true? (3 points) a. gases are compressible b. gases fill their containers completely c. the pressure of a gas is independent of the temperature d. gases have mass e. gases exert pressure f. the pressure of a gas is dependent on the volume g. gas pressure results from the collisions between gas particles h. gases have a definite volume and shape

Drive down any three characteristic of modern periodic table

What was bohr’s contribution to the planetary model