Unit 10: Molarity and Concentration
{"name":"Unit 10: Molarity and Concentration", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"A 0.674 M cobalt(II) chloride (CoCl2) solution is prepared with a total volume of 0.0750 L. The molecular weight of CoCl2 is 128.9 g\/mol. What mass of CoCl2 in grams is needed for this solution, A 0.250 L sample of seawater contains 77.4 g of NaCl, which has a molecular weight of 58.44 g\/mol. What is the molar concentration of sodium chloride in the seawater., A 0.355 L soft drink contains 45.5 grams of sucrose, which has a molecular weight of 324.3 g\/mol. What is the molar concentration of sucrose in the soft drink?","img":"https://www.quiz-maker.com/3012/images/ogquiz.png"}