13. What is the mass of KCl needed to make 4. Which particle diagram best represents a mixture of a saturated solution in 100 grams of one element and one compound? water at 50°C? A) A) 50 g B) 42 g C) 82 g B) D) 33 g C) 5. Suspensions, colloids, and solutions are types of A) elements 1. When an atom of sodium loses an B) compounds electron, it becomes a C) mixtures A) positive ion D) substances B) negative ion C) positron D) neutron 6. What two measurements of a substance make up the substance's density value? A) mass and weight B) volume and pressure C) mass and volume 2. Which pair forms a homogeneous D) temperature and mass mixture? A) sand and water B) sugar and water C) oil and water D) oil and vinegar 9. A student claims that she has a bottle of completely "Pure" water. If that is the case, then A) the water may have dissolved ions and will have the tyndall effect. B) the water may have dissolved 3. Which of the following is a correct ions but will not have the tyndall atom inventory for Silver Nitrate. effect. (you must write the correct formula) C) the water will not have anything dissolved in it and will not have A) one silver, one nitrogen the tyndall effect. B) one silver, one nitrogen, one oxygen C) one silver, one nitrogen, two oxygens D) one silver, one nitrogen, three oxygens
13. What is the mass of KCl needed to make a saturated solution in 100 grams of water at 50°C? A) 50 g B) 42 g C) 82 g D) 33 g 1. When an atom of sodium loses an electron, it becomes a A) positive ion B) negative ion C) positron D) neutron 2. Which pair forms a homogeneous mixture? A) sand and water B) sugar and water C) oil and water D) oil and vinegar 3. Which of the following is a correct atom inventory for Silver Nitrate. (you must write the correct formula) A) one silver, one nitrogen B) one silver, one nitrogen, one oxygen C) one silver, one nitrogen, two oxygens D) one silver, one nitrogen, three oxygens 4. Which particle diagram best represents a mixture of one element and one compound? A) B) C) 5. Suspensions, colloids, and solutions are types of A) elements B) compounds C) mixtures D) substances 6. What two measurements of a substance make up the substance's density value? A) mass and weight B) volume and pressure C) mass and volume D) temperature and mass 9. A student claims that she has a bottle of completely "Pure" water. If that is the case, then A) the water may have dissolved ions and will have the tyndall effect. B) the water may have dissolved ions but will not have the tyndall effect. C) the water will not have anything dissolved in it and will not have the tyndall effect.