Sulfuric acid (h2so4) has a molar mass of 98. 1 g/mol. How many oxygen atoms are found in 75. 0 g of h2so4?.

17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?

Essay questions may also be referred to as a. talk questions c. hard questions b. explain questions d. think questions

How are brightness and size related when it comes to stars