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- 10. A 0.514 gram sample of NazCO, (106.0 g/mol) was dissolved in distilled water in a 100.0 mi volumetric flask. The molar concentration of Na,CO, in solution is: 0.0485 M 0.0370 M b. 0.4849 M 0.0340 M 0.0330 M d. е.10. What is the pH of a solution that ha sa hydronium ion concentration 100 times greater than a soluti on with a pi of 4? A S B. 2 C 3 D. 6Please kindly help me to answer this QUESTION. Thank you very much! H3PO4 + NaOH --> Na3PO4 + H2O A. Balance the equation B. How much 0.20 M H3PO4 is needed to react with 100 mL of 0.10 M NaOH?
- Determine the pH of a solution when 26.2 mL of 0.030 M HNO, is mixed with 18.6 mL of A. 0.0060 M NAOH. pH = %3D B. distilled water. pH = C. 0.0080 M HCI. pH = D. 0.072 M KOH.b. Calculate the molar concentration of the malonic acid if 38.17 mL of 0.315 M potassium hy- Calculate the mass percent concentration of malonic acid using the molar concentration cal- droxide was required to neutralize 25.0 mL of malonic acid to a phenolphthalein end point. с. culated in part b and assuming the density of the solution is 1.01 g/ml. lo ba Citric acid (abbreviated H,Cit) is a triprotic acid, so 3 moles of hydroxide ions are required per mole of citric acid for complete neutralization. Write the balanced chemical equation for the reaction of citric acid with sodium hydroxide. (Note that citrate ion is actually a polyatomic ion with carbon, hydrogen, and oxygen atoms and an overall charge of -3. For now, express citrate ion as Cit.) a. ele booald sh w h Jf 36.10 mL of 0.223 M NaOH is used to neutralize a 0.515 g sample of citric acid, what is the molar mass of the acid?8. What volume of 0.45 M H3PO4 acid will neutralize 500mL of 0.15M NaOH? (1) M(base)V(bases)= (3) M(acid)V(acid)
- 25.0 cm³ sodium hydroxide is neutralized by 15.0 cm³ sulphuric acid of concentration 0.10 mol dm-3. a. Write the equation for the reaction b. From the equation, determine how many moles of sulphuric acid will neutralize 1.0 mol of sodium hydroxide. c. Determine how many moles of sulphuric acid are used in the neutralization. d. Determine the concentration of sodium hydroxide.со app.101edu.co Brightspace Walmart-Hiring Ce..... ock Fn Ese + # Et F1 2 a A Z w S P X Alt Which of the following oxides is expected to form the most basic aqueous solution? ॐ 3 E D $ FS R A) Rb₂O F B) In₂O3 C) Al₂O₁ D) SnO₂ E) TeO₂ % JEJE 5 T CL с FO C G F7 B Y Question 18 of 24 H FO & 7 DELL F ★ 8 U 19 J N F10 1 M 9 K O A a L Alt F12 P PrtScr Ctrl E L 7:06 PM WHO 440 4/16/2023 Inserv . Delete Backspace PqUp Num Subm Enter 7 Ę3. Rank the following slightly soluble compounds from most soluble to least soluble in water. Ag:PO, Ksp = 8.9 x 10-17 Ksp = 9.8 x 10-21 Ksp = 1.0 x 10-26 Ksp = 1.3 x 10-3 AIPO, Cas(PO.)2 BİPO, I List the following compounds from strongest to weakest in terms of acidity. a. HN3; HCN; HF b. HIO; HBRO; HCIO c. HTe; H,S; H,Se
- Calculate the amount of 0.300M H2SO4 required to neutralize a 0.600g sample that is 50% FeO.Q: A. A solution is prepared by dissolving 10.2g of glucose, CoH12O6 in 405g of water. The final volume of the solution is 414ml. Find the concentration of the solution in units of molality. B. What is the pH of 0.75 M HC:H3O2 solution? K.= 1.8 x 105 and Kw=1.00 x 10-14 HC:H3O2 + H2O + H3O* + C:H302 Atomic weight (H= 1, C=12, 0-16) Good LuckQl is dissolved in 250 ml, what is the tutul normadily of A Sada- Lime Sample is go% NaoH and 10% CaO • If 3gm the Selution as abase ? How many milliliters of O.57 N H2 S4 would be requiresd to titrate 100 me of the Solution ? Ans.s (0.309 N, 60.59 ml)