Q3// AIf the concentration of Ca is 56.4 mg/L and of Mg is 8.8 mg L in water, what is the total hardness of the water expressed in ng L of cacos? MW CCo 100. 120 1600

Q: The total hardness is always listed in parts-per-million (ppm) of CaCO3 (or mg CaCO3 / Kg H20).…

A: Volume of water sample = 25.00 mL Volume of EDTA required for end point =…

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A: Mass of the substance  = Volume of the substance × Density

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Q: Kindly give the name and the description if whats in image.

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A: An apparatus used in chemical laboratories to determine the volume of solution is called a…

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Q: Table 1: 田 Average [NaOH) (M) Volume NaoH [NaOH) (M) Trial # KHP (g) (ml) 0.4510 22.16 0.4524 22.21…

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Q: 170.0 mL of 0.12 M C2 H5NH2 with 285.0 mL of 0.20 M C2 H5 NH3 Cl

A: The pH of solution can be finding out by using Henderson Hasselbalch equation as: The given data…

Q: 5. What weight of HCl is present in 30mL of hydrochloric acid of specific gravity 1.19 and con tains…

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Q: To enter exponential values, use the format 1.0e-5. Solution 1.10 M Acetic acid (mL)| 0.900 M Sodium…

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Q: If V = 125ml at 755 mm Hg, find V (ml) at 780 mm Hg (temp, n = count)

A: At constant temperature T and no . of  moles n , the ideal gas equation becomes:  P1V1 = P2V2

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Q: grams of glucose C12H22011 are dissolve 1360grams of water. а. 0.00 b. 0.20

A: Molality is defined as number of solute present in 1000 gm of water.   Mole= MOLality×mass of…

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Q: Sample 1 Sample 2 Unknown CaCl2 solution code (if any) 2 1. Unknown Code = 2. Volume of 0.100 M…

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A: Concentration is calculated using the formula: Molarity =Number of molesVolume of solution in L

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Q: Standardization of Sodium Thiosulfate Solution Primary Standard used: Potassium Dichromate…

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A: Here for calculation of % potency one has to put all required data on that formula and compute .

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Q: Benzocaine 200 g Polyethylene glycol 400 600 g Polyethylene glycol 3350 ad 1000 g Polyethylene…

A: Bezocaine                         200g Polyethylene glycol 400   600g Polethylene glycol 3350  1000g…

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Q: 5. The mineral analysis below was reported for a water sample. Calcium 90 Chloride 120 Magnesium 30…

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Q: 1. Write each answer with the correct number of digits. (2 points each) a. 1.021 + 2.69 b. 4.34 x…

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A: The desired dose is 2 mcg/kg/min.

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A: Molarity is defined as number of solute present in 1000 ml of solution .   Mole=…

Q: hat mass of Na2CO3 is present in 0.500L of a 0.417M solution? Group of answer choices 44.2 grams…

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Q: A Sample Containing 6.00 x10-2 mmol af vesay acd 2.00x102 a cation _excharyge volume of o.02.00 M…

A: Solution - According to the question - Given - V+ has = +4 charge it can replace 4 proton (H+) in…

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