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Q: A 0.9092 g sample of wheat flour was analysed by the Kjeldahl procedure. The ammonia formed was…
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- -2 The PPm Concentration of 4.5 *la M Solution off Lif is I1940fやPm D 196. PPm 3 1950 PPmCaleulate the format and Molar concentrations of the constituents in 2-30g of othanot(g-fwa46u4in 3-Belitresof aqueoust SolutionQ1) A Sada- Lime Sample is g0% NaoH and 10% Cao. f 3 gm is dissolved in 250 ml, what is Hthe tutal normality of the Selutton as abase ? How many mililiters of 0.5N H2S4 woutd be required to titrate ioo me of the Solution? Ans. ( 0.309N, 60.59 ml)
- A 786 mLmL NaClNaCl solution is diluted to a volume of 1.19 LL and a concentration of 3.00 MM . What was the initial concentration C1C1C_1?It was found that solubility of benzoic acid in water at differont temjperatures Was aceording to the follewing tuble. Tc 6 0 40 30 Logs 1.20 Jimol 1.415 1.58 1.77 calculate tne Valux of the chanye in enthalpy graphically?Explain jiving 3 " The net to reason latrapy the lewverse tends inceease"
- cium 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%) What voluma of 18m sulferic acid must be diluted with distilo d wateir to prepare 300.0 mb of 0:50 M HA S04 2 इDO ,O6. When in the liquid siale, which of the following compounds is most likely soluble in liquid CHCHN? O A CH3COOH O BỊ H20 og CH3CHzCHzCHzCHCH2CH3 O DỊ CH2Cl2 O EJA Band D
- Chlorhexidine gluconate is available in different products in concentrations of 4% w/vand 0.12% w/v. H ow many milliliters of the more dilute product may be prepared fromeach fluidounce of the more concentrated product?Sttoul SuluiIUN A client requires BI). wund eleasing with 3 eleasing Shrength hydrrgen Peroseide Aorder to prepare enough solutim to do turo wo und trieatments you will Prepare 500 mL of sulutiuusing a diluent. ofescribe themethod for miscing this sulutturj Nomal saline3. Which of the following statement/s is/are correct? 1. 6.00 N H2CO3 is equivalent to 3.00M H2CO II. 5.29 % (w/v) H2SO4 is equivalent to 0.539 N HSO4 II. 1.15 N Mg(OH)2 is equivalent to 16.3 g Mg(OH)2 in 500 ml solution. (MH2504 98.086 g/mol; Miacos 62.026 g/mol; MOH2 58.326 g/mol) O l and IlI O l only O l and II Oland I