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Question 39 2 pts How many mL of 0.583 M HNO3 are needed to react with 2.5 g of Hg2Cl2 (molar mass = 472.08 g/mol)? Hg2Cl2 +5HNO3 +2Hg(NO3)2(aq) + HNO2(aq) + 2HCl(aq) + H2O(1)
How many liters of 0.810 M HNO3 are needed to react with 2.9 g of Hg2Cl2? molar mass = 472.08 g/mol Hg2Cl2 + 5HNO3 ⟶2Hg(NO3)2(aq) + HNO2(aq) + 2HCl(aq) + H2O(l)
3. How many mL of 0.450 M HCl are needed to titrate 25.0 mL solution of 0.250 M Na2CO3 solution? Na2CO3(aq) + 2HCl(aq) + 2NaCl(aq) + CO2(g) + H2O(l)
How many mL of 0.577 M HNO3 are needed to dissolve 6.85 g of Baco,? 2HNO3(aq) + BaCO3(s) — Ba(NO3)2(aq) + H2O(l) + CO2(8) ml
2. How many milliliters of 0.100 M HNO, are needed to neutralize the following solution? Write the balanced molecular equation, complete ionic equation, and net ionic equation. 58.5 mL of 0.0100 M Al(OH)3 HNO₃ + KOH KNO3 + H2O 3. a) Balance the following equations. b) Identify oxidizing and reducing agents. e) Determine the oxidation numbers of the elements involved in the redox reaction. Zn (s) + CuSO4 (aq) - ZnSO4 (aq) + Cu(s) 12 (5) + S20;- (aq) +...
Question 3 2 pts How many mL of 0.233 M. HNO3(aq) are needed to neutralize 56.90 mL of a 0.1368 M solution of barium hydroxide, Ba(OH)2? 0 33.4 O 100.2 0 66.8 O 16.7 O 53.9
Given the data below, how many grams of NaCl would you expect to be formed in the reaction of excess HCl with the Na,CO3? The molar mass of sodium carbonate is 105.989 g/mol and the molar mass of sodium chloride is 58.443 g/mol. 83.000 mass of empty beaker (g) mass of beaker plus Na2CO3 (9) mass of Na2CO3 (9) 85.250 2.250 Select one: O a. 2.481 g O b. 3.308 g O c.4.962 g O d. 1.241 g You added...
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) 1) One mole of any substance contains Avogadro's number of particles of that substance. What is the numerical value of Avogadro's number? A) 12.01 23 Avagrans t Male aton 6022 x1o atums B) 6.022 x 1023 C) 6.022 x 10-23 D) 1.661 x10-24 E) 1.00 x10-14 2) What is the mass of 4.00 moles of helium, the gas commonly used to fill...