The empirical formula of an artificial sweetener is C14H18N2O5. The molecular mass of the sweetener is 294.34 g/mol. What is the molecular formula of the artificial sweetener? C7H9NO2

C7H9NO3

C14H18N2O5

C28H36N4O10

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%

0.09 moles of sodium sulfate in 12 ml of solution

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line