How many sulfur atoms are there in 3.5 mol of sulfur? express your answer using two significant figures?

According to the tide table below what time of day will the highest tide occur?

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.