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- When the following equation is completed and balanced, what is/are the product(s)? MgO(s) + HCl(aq) --> ? (A) MgCl2(aq) + H2O(l) (B) MgOH2(aq) + Cl2(g) (C) MgOCl2(aq) + H2(g) (D) Mg(s) + Cl2(g) + H2O(l)Suppose HX is a strong acid. What is the net-ionic equation for the reaction between HX and NaCl? a) H+(aq) + NaCl(aq) ⟶⟶HCl(aq) + Na+(aq) b) HX(aq) + Cl-(aq) ⟶⟶HCl(aq) + X-(aq) c) There is no net ionic equation. d) H+(aq) + Cl-(aq) ⟶⟶HCl(aq)When the following net ionic equation is properly balanced, what are the coefficients for Cu, NO3–, H+, Cu2+, NO, and H2O, respectively? (A) 3, 2, 8, 3, 2, 4; (B) 3, 2, 4, 3, 2, 2; (C) 3, 1, 6, 3, 1, 3; (D) 1, 1, 4, 1, 1, 2
- When the following equation is completed and balanced, what is/are the product(s)? Mg(s) + HCl(aq) --> ? (A) MgCl(aq) + H(g) (B) MgCl2(aq) + 2H(aq) (C) MgCl2(aq) + H2(g) (D) MgH2(s) + Cl2(g)6. 7. How many moles of hydronium ions are present in 56 mL of a 0.58 M H₂SO4 solution? (10²) 7. 8. How many moles of hydroxide ions are present in 3.5 grams of Calcium hydroxide, Ca(OH)₂? (2-step) (102) 8. 1600can you help me please?
- 6.6 When a 0.3885 M HCI solution is used to titrate 6.7 ml of a borate solution, the initial volume on the burette is 0.82 ml and the final volume is 18.15 ml. What is the molarity of this borate solution? (This data will be used in the next question.) (Give 4 digits of the calculator answer) O a. 0.01258 M O b. 0.5024 M O c. 0.08426 M O d. none of these O e. 1.452 M O f. 1.005 M Og. 0.001005 M Given the molarity of Borate in question 6.7, what is the value of Ksp from this solution? (Give 4 digits of the calculator answer) (This answer will be needed in the next question). 9--OL X Ob. none of these O c. 12.25 O e. 4.060 Og. 0.5074 6.8 Given the value of Ken from this solution in the previous question, what is MacBook Air7) (30) For questions a- c, you must use dimensional analysis to solve the problems related to the following balanced chemical equation: Vbalanced 2 KCl(aq) + Pb(NO3)2(aq) → PbCl2(s) + 2 KNO3(aq) 22 12 22 a) How many liters of 0.15 M KCl solution are needed to completely react with 13.43 L of 0.175 M lead nitrate solution? b) How many grams of precipitate will form upon mixing the two solutions? c) How many moles of chlorine atoms are present in the amount of precipitate produced?Complete the equation: HNO3(aq) + KHCO3(aq) (a) H¿O(1) + CO2(8) + KNO3(aq) (b) KNO3(s) + H,CO3(aq) (c) HK(aq) + NO3HCO3 (d) No reaction occurs.
- 2.4The answer is letter C, 3.33M. Please help me see how to solve this problem. Thank you :)5.17 Zinc dissolves in hydrochloric acid to yield hydrogen gas: Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g) . When a 12.7 g chunk of Zinc dissolves in 5.00 x 102 mL of 1.450M HCl, what is the concentration of hydrogen ions remaining in the final solution?