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Question 47 urut A Balloon, Initally Ch 2 pts how What is the molarity of 10.00...
47. What is the molarity of 10.00 mL of KOH that requires 19.50 mL of 0.1000 M of H3PO4 to neutralize? H3PO4 + 3 кон Карод + зно 0.06500 м 0.5850 м 0.1950 м 0.3900 м
Question 18 4 pts What element is reduced in the following reaction? Mg(s) + 2AgCl(aq) + MgCl2(aq) + 2Ag(s) This is not an oxidation-reduction reaction silver magnesium chlorine If you want to dilute 10.0 mL of a 3.00 M HNO3 solution to a concentration of 0.600 M. what should be the total volume of the diluted solution? 20.0 mL 120 ml 200 ml 60.0 ml 50.0 ml What volume of 0.20 M KOH is required to neutralize 0.25 L of...
i need help with all these questions please
Question 23 4 pts Which of these liquids is most likely to have the lowest (slowest) rate of evaporation (g/min) and why? Select the single best answer. H H H HH :01 IH terbaru H 11 HHH cnc- 7 H H H ica H 나 Hit 4 c B A ΟΟΟΟΟΟ C, because it has the highest molar mass. A, because this molecule has the lowest molar mass.. B, because it has...
Question 17 2 pts To what temperature must a balloon, initially at 25°C and 2.00 L, be heated in order to have a volume of 6.00 L? 75°C 621°C -174°C 8.3°C Question 18 2 pts In which of the following pairs of chemical formulas do both formulas represent compounds? CO2 and SO2 o O2 and O3 Sg and SO2 HCl and Zn
Question 1 20 pts Please prepare 20 mL of 0.2 M NaOH, given a stock solution of 0.6 M NaOH. State the precise amount of the 0.6 M NaOH used and the amount of diluent (H2O) added Question 2 20 pts Please prepare 500 mL of a 1/100 dilution of serum from a tube with a 1/10O dilution of serum. Please state the volume of the 1/10 dilution of serum used and the volume of diluents (H2O) used 20 pts...
1. (2 pts) A saline solution contains 1.1 % NaCl by mass. How much NaCl is present in 96.3 g of this solution? 2. (4 pts) How many liters of a 0.500 M sucrose (C12H22011) solution contains 1.5 kg of sucrose? 3. (2 pts) To what volume should you dilute 25 mL of a 12 M stock HCl solution to obtain a 0.500 M HCl solution? 4. (2 pts) Write the formula for the conjugate acid of the following bases:...
2 pts D Question 17 What is the molarity of a solution that is made by dissolving 3.68g of sucrose(C12H22011) in suffiecient water to form 275,0 mL of solution? 3.91e-5M 7.43e-2M 13.4M 3.91e-2M Question 18 2 pts What volume of 1.00 M stock solution of glucose must be used to make 500.00 mL of a 1.75 x102 M glucose solution in water? 8.75 ml 1.75ml 48.6 mL 57.1 mL
i need help with 17-26
will be installed later What mass of aluminum reacts with 60.5 g of chlorine (Cl), according to the balanced chemical equation below: 2 A1 + 3Cl2 --> 2AICI 15.3g 30.78 23.03 46.03 5.10 7.678 4 pts Question 18 What volume of a 3.00 M solution of KCl is required to make 500.0 ml. of a 0.300 M solution of KCI? 3.00 mL 500 ml 300 mL 5.00 mL 16.7 ml 10.0 ml 500.0 ml Question...
Question 50 3 pts What is the molarity of a KCl solution made by diluting 75.0 mL of a 0.200 M solution to a final volume of 100.mL? O 0.100 M O 0.267 M O 0.150 M 6.67 M O 0.200 M
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he appropriate gas law to solve questions 1-6. Show work. (2 pts) A certain amount of a gas at a constant temperature has a pressure of 5.50 atm and a volume of 10.0 mL. If the volume is decreased to 125.0 mL, what is the resulting pressure of the gas? : 924 a4m 125 O P v (2 pts) If 0.722 L of a certain gas at...