Umm I’m in 6 th and I’m in k12 too can u tell me the answer

200. ml of 3.00 m nacl solution is diluted to a final volume of 500. ml. what is the molarity of the final solution?

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%

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o