How many atoms are there in 15.0 grams of Sulfur (S)? A) 7.99×10−22 atoms of S

B) 7.77×10−25 atoms of S

C) 2.82×1023 atoms of S

D) 9.03×1024 atoms of S

In pqr m< p=60 m< q= 30 and m

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.

Which of the following has wavelength longer than the wavelength of viable light? a) x rays b) gamma rays c) radios waves d) ultraviolet waves