How many atoms of S are in the following formula: 3Na(SO4)2

1) 6
2) 8
3) 3
4) 5

Label a-f based on the table using c for concentrated and d for dilute

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll

Which of the following would not diffuse through the plasma membrane by means of simple diffusion? 1 oxygen 2 glucose 3 a steroid hormone 4 a lipid soluble vitamin