1. what ocean floor structures occur between 160 km and 1,050 km east of new jersey? between 2,000 km and 4,500 km? between 5,300 km and 5,500 km? (10pts) 2. when a profile of a feature is drawn to scale, the horizontal and vertical scales must be the same. does your profile give an accurate picture of the ocean floor? explain. (20pts)

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.