A. Detergent Properties Test Predictions Oil + Soap Oil Syndet B. Effects of Hard Water Test Soap + + Ca²+, Mg2+, Fe2+ Add oil Syndet + Ca²+, Mg2+, Fe2+ Add oil C.Effect of Water Softeners Predictions Test Soap +CaCl2 +Na3PO4 Predictions + Oil
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- An unknown sample containing mixed alkali (NAOH, NaHCO3, or NazCO3) was analyzed using the double flask method. A 250 mg sample was dissolved in 250 mL CO, free water. A 20.0 mL aliquot of this sample required 11.3 mL of 0.009125 M HCI solution to reach the phenolphthalein end point. Another 29.0 mL aliquot of the sample was titrated to the bromocresol green endpoint using 311 mL of the standard acid. What is/are the component/s of the sample? O Cannot be determined O NAHCO3 only O NAOH and Na,CO3 O NazCO3 only O NAHCO, and Na2CO31. Straight lime softening A groundwater was analyzed and found to have the following composition (all concentrations are as CaCO): Estimate the lime dose (in mg 1.) required to soften the water. HCO 155mg/1 Ca 210 mg Mg-15mg/1 Alk.-260 ml Temp-10C 2. Excess lime softening A groundwater was analyzed and found to have the following composition (all concentrations are as CaCO)). Estimate the lime dose (in mg/L.) required to soften the water.. H:CO 155mg/1 Ca 180 mg/1 Mg-60mg/1 Alk. -260 mg/1 Temp-10Ce teaching and lear X H /ilm/takeAssignment/takeCovalentActivity.do?locator=assignment-take Paraphrasing Tool - QuillBot Al 8 Submit Answer & [Review Topics] [References] Use the References to access important values if needed for this question. How many grams of calcium acetate, Ca(CH3 COO)2, must be dissolved to prepare 250. mL of a 0.223 M aqueous solution of the salt? Q Search U * 8 Retry Entire Group K - C hp KA CJHLUSS Pura LSI dete TUF Ls que X O 8 more group attempts remaining 110 ►ll P PAI Mod 112 [ ✈ + 11 ins + prt sc 1 delete 4 backspace ^O64) O enter home num lock 7 home 4 ✰ ☐ end 3:37 PM 5/21/2023 004 A pg up 1/ 07 * X MEN pg dn 9 pg up COT +
- An unknown sample containing mixed alkali (NAOH, NaHCO3, or NazCO3) was analyzed using the double flask method. A 250 mg sample was dissolved in 250 mL CO, free water. A 20.0 mL aliquot of this sample required 11.3 mL of 0.009125 M HCI solution to reach the phenolphthalein end point. Another 29.0 mL aliquot of the sample was titrated to the bromocresol green endpoint using 31.1 mL of the standard acid. What is/are the component/s of the sample? O NazCO3 only NaHCO3 only O NAHCO3 and Na>CO3 NaOH and NazCO3 O Cannot be determinedcium chloride per liter. Express the centration in terms of milliequivalents of calcium chloride (CaCl2-2H20-m.w 147) per liter. con- 27. How many milliequivalents/of potassium would be supplied daily by the usual dose (0.3 mL three times a day) of saturated potassium iodide solution? Saturated po- tassium iodide solution contains 100 g of potassium iodide per 100 mL.oluce 28. An intravenous solution calls for the addi- tion of 25 mEq of sodium bicarbonate. How many milli 4%chemical equation: What mass of precipitate will form if 1.50 L of highly concentrated Pb(ClO3)₂ is mixed with 0.500 L 0.300 M Nal? Assume the reaction goes to completion. the Balanced equation for the reaction of aqueous Pb(ClO3)2 with aqueous Nal. Include phases. $ 4 mass of precipitate: R F4 V % 5 T F5 G B ^ 6 MacBook Air F6 Y H & 7 N F7 U * 00 8 M DII F8 ( 9 DD F9 O V ) 0 F10 P ^. 1 F11 + g F12 20 del
- Determine the total hardness of water (ppm CaCO3; MM: 100.09 g/mole) if 100.0mL sample of drinking water required 38.41mL of 4.65 x 10-3 M EDTA for titration. 179 ppm CaCO3 357 ppm CaCO3 452 ppm CaCO3 733 ppm CaCO3d. 1.10 g of K3PO4 in 430.0 mL of solution Mx+ =| M %3D Mpo, MAn unknown sample containing mixed alkali (NAOH, NaHCO3, or NazCO3) was analyzed using the double flask method. A 250 mg sample was dissolved in 250 mL CO2 free water. A 20.0 mL aliquot of this sample required 11.3 mL of 0.009125 M HCI solution to reach the phenolphthalein end point. Another 29.0 mL aliquot of the sample was titrated to the bromocresol green endpoint using 31.1 mL of the standard acid. How many millimoles of the components are there in the original solid sample? O 0.28 mmol Na,CO3 O 1.29 mmol NaOH, 0.97 mmol Na2CO3 O 0.103 mmol NaOH, 0.078 mmol NazCO3 O 1.29 mmol Na2CO3, 0.97 mmol NaHCO3 O Cannot be determined
- 1- If 50 ml of water is titrated with 10 ml of 0.0130 M of EDTA, what is the totalhardness of water as CaCO3 in ppm?Calculate the temporary and total hardness of a water sample containing Mg(HCO3)2= 73mg/L, Ca(HCO3)2= 162mg/L, M9C12= 95mg/L, CaSO4=136mg/L.An unknown sample containing mixed alkali (naoh, nahco3, or na2co3) was analyzed using the double flask method. a 250 mg sample was dissolved in 250 ml co2 free water. a 20.0 ml aliquot of this sample required 11.3 ml of 0.009125 m hcl solution to reach the phenolphthalein end point. another 29.0 ml aliquot of the sample was titrated to the bromocresol green endpoint using 31.1 ml of the standard acid. how many millimoles of the components are there in the original solid sample