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How many mg/m3 is a 6% concentration of CO2. MW = C= 12 + O+O = 16+16 at NTP
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- What mass of 47CaCO3 must be ordered if it takes 24h for delivery from the supplier?A solution was prepared by dissolving 0.000245 Kg of Na2SO4 in water to give 500 ml. Calculate the Normal concentration of Na2SO4 .... Not. ( Na=23, S= 32 , H=1 , O=16 ) 大 0.034 O 0.038 O 0.069 O 0.079 O 0.09 OAll changes sav 6. When copper metal is added to silver nitrate in solution, silver metal and copper (II) nitrate are produced. What mass of silver is produced from 100.0 g Cu? Cue) + 2(AGNO); 2(Ag)(o) + Cu(NO3)2 O 200.4 g Ag 526 g Ag O 100 g Ag O 339.5 g Ag 2 00:56:55 PREVIOUS 6 of 12 NEXT Ce %23 24 & 2 3 5 6 7 W e V
- 17) An unknown hydrocarbon compound was analyzed for hydrogen by elemental analysis and results show that it contains 15.88 % H. What is the empirical formula? A) C,H, B) CgH18 C) C12H27 18) What is the concentration in ppm of a 3 70 L solution (d = 1.00 g/ml) containing 4 21 x 10:7 ka of the pesticide21/FA-CHM-121-08 Geheral Che Ofline teacChing w.com/ilrm/takeAssignment/takeCovalentActivity.do?locator=Dassignment-take [References] Exactly 4.0 g of hydrogen gas combines with 32 g of oxygen gas according to the following reaction. 2H2 + O2 + 2H2O a. How many hydrogen molecules are required to completely react with 41 oxygen molecules? molecules b. If you conducted the reaction, and it produced 8.6 mol H20, how many moles of both O2 and H2 did you start with? mol O2 mol H2 c. If you started with 53.0 g O2. how many grams of H2 did you start with to have a complete reaction? d. How many grams of O2 and H2 were reacted to produce 42.6 g H20? g O2 g H2 Submit Answer Try Another Version 6 item attempts remaining Cengage Learning | Cengage Technical Support ch 99genow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=Dassignment-take [References] A 1.270 g sample of oxalic acid, H2 C2 04, is placed in a 100.0-mL volumetric flask, which is then filled to the mark with water. What is the molarity of the solution? Molarity = |M %3D
- A mixture of hydrogen and 4.+1. 2HIHow much mL of BaSO4 will be recovered given the following: Solution A: Na2SO4(aq) = 0.01 M; V = 100 mL Solution B: BaCl2(aq) = 0.1 M; V = 50 mL70 alll ll ? ..::0E is اجابة قصيرة A solution of Al2 (S04) 3 at a concentration of 0.3 N , What is the volume needed to prepare a solution at a concentration of 0.04 M in a volume of 150 ml of distilled water إجابتك كتب إجابتك. . is
