What is Two moles of (NH4)2Fe(SO4)2·6H2O contains moles of sulfur atoms.

2. you__turn left on a red light if you are in the left-most lane of a one-way street, you're turning into the left-most lane of a one-way street, and no nearby sign prohibits the turn.

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?