What is the total number of grams of potassium fluoride (molar mass = 58 g/mol) needed to make 9.4 liter of a 6.17 M solution?
Please help quick!!

Cucl2 + 2nano3 cu(no3)2 + 2nacl what is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl? 49.7% 58.4% 63.6% 78.7%

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.