What volume in L of a 0.320 M Mg(NO,), solution contains 45.0 g of Mg(NO), ? g Mg(NO,), g Mg(NO,), 45.0 0.948 L 148.33 mol Mg(NO,), mol Mg(NO,), 0.320 148.33 g Mg(NO,), 45.0 g Mg(NO,), = 0.948 L mol Mg(NO,), 0.320 mol Mg(NO,), ADD FACTOR DELETE ANSWER RESET *( ) げ 0.0971 0.303 14.4 86.32 141 0.320 210.34 45.0 0.948 1 0.167 1.63 6.022 x 1023 148.33 M Mg(NO,), mol Mg(NO,), g Mg(NO,),/mol g Mg(NO,), mL

(2) Draw the (right next splitting patterns to with each for a all unique It's in chemical environment). the molecules below

Algebra (12500J)/((106g)(4c))

A A Monate ab 4 Paragraph Help Search (Alt+Q) No Spacing Heading 1 Editing Dictate Sensitivity Voice Sensitwity Styles Two methods of separating an undissolved solid from a liquid are and The method for separating a dissolved solid from the water in an aqueous solution 15 • Using a solvent to dissolve only one substance in a mixture is called 2. A mixture can consist of two or more pure substances. Does that mean a mixture can only consist of elements? 3. Explain your answer to question number 2 4. Oil and water mixed together form a heterogenous or homogenous mixture? 5. 2.000 g of the unknown mixture was placed in an evaporating dish. The empty evaporating dish weighs 38.135 g. After subliming the ammonium chloride from the mixture, the evaporating dish and the remaining mixture weighs 39.775 g. (Put your answer in 3 sig figs and show your work) • What is the weight of the ammonium chloride? • What is the percent of ammonium chloride in the sample? Normal 1. Fill in the following…

The world population is estimated to be 7.4 x 109. Nauru is the smallest island nation and comprises 1.5 x 10-4% of the world population. If the percentage of left-handed people is approximately 12%, estimate the number of left-handers on the island of Nauru.

7. A cube of an unknown metal measures 1.69 mm on one side. The mass of the cube is 31.4 mg. Which of the following is most likely the unknown metal? SHOW your work [5 points] Metal Density (g/ cm- cm3) rhodium 12.4 8.96 copper niobium 8.57 vanadium 6.11 zirconium 6.51