How many milliliters (mL) of a 5.25% (w/v) HCl solution must be used to prepare 240 mL of a 0.175% (w/v) HCI solution? A. 8.5 mL HCI solution B. 8.0 mL HCl solution O C. 9.0 mL HCl solution O D. 10 mL HCl solution O E. 7.5 mL HCl solution

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A: Assuming V mL of the concentrated HCl is needed Since the process is dilution  hence the moles of…

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Q: What volume of a 12.0 M HNO3 solution should you use to make 850.0 mL of a 0.250 M HNO3 solution?…

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A: Given : Concentration of NaOH = 0.235 M And volume of NaOH solution = 660.0 mL

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Q: KOREK El "ll ZAIN IQ تبديل الحساب مطلوب Q3: Fill in the blanks: (8 marks) نقطتان )2( Calculate the…

A: for  calculate Molarity , volume of solution calculate using density of solution.

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Q: A 1185 mL sample of drinking water was found to contain 20.5 mg of lead. Calculate the concentration…

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Q: What volume of 12.0 M HCl is required to make 75.0 mL of 3.50 M HCl? O A. 21.9 mL O B. 0.560 mL O C.…

A: When we’re dealing with dilution equation, we’ll use the following equation  M1V1 =M2V2 where M1 =…

Q: How many milliliters of 10.5 M HCl(aq) are needed to prepare 950.0 mL of 1.00 M HCl(aq)? V = mL

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Q: How much 0.045 M HCl solution can be made by diluting 250 mL of 12 M HCl?

A: First we will calculate the number of moles of HCl.Number of moles = Molarity × VolumeNumber of…

Q: 964.0 ml of a 0.250 M calcium hydroxide solution? O A) 13.02 mL B) 0.521 mL C) 26.05 mL O D) 6.51 mL…

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Q: How many grams of sodium hydroxide are present in 247.0 mL247.0 mL of a 0.700 M0.700 M NaOHNaOH…

A: Given:  Volume = 247 mL Concentration = 0.7 M molar mass of NaOH = 40 g/mol we need find out moles…

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