. A 15.00 g of NaCl is dissolved in 5.00 L of water. Find the molarity of the solution? Show your solutions for MW. 2. 3. (Need to use whole numbers for the MM and 2 decimal places for the Final Answer)
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1. A 15.00 g of NaCl is dissolved in 5.00 L of water. Find the molarity of the solution? Show your
solutions for MW.
2.
3.
(Need to use whole numbers for the MM and 2 decimal places for the Final Answer)
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- 1. A solution of 1200 mL of water is prepared with 157 grams of NaCl and 40.0 grams of Sucrose. Find the boiling point of the solution at sea level? At 3000 ft? (MW NaCI 58, Sucrose 342)DRINK MIX please convert um to ppm of drink mix and show solution. thank you I dont know the composition of drink mix so please help me get its molecular weightIf 50mL of NaOH (mw=40g/mol) solution required 30mL of sulfuric acid (mw=98g/mol) solution in a titration and 30mL of sulfuric acid solution were required in the titration of 0.5038g of pure sodium carbonate (mw=106g/mol). What was the normality of the NaOH solution? (use 4 significant figures)
- If Mg(OH)2 has a Ksp of 9.0 × 10–9, then what is the solubility of Mg(OH)2 in pure water? Give your answer in units of g/L. Express the answer to 4 significant digits and do not use scientific notation. *Use the Ksp given here. Do not look up your own value.Help me solve the following problem correctly and completely. Express all answers to the nearest fourth decimal place. Also, kindlly put the right unit. Thank you! *An automobile antifreeze mixture is made by mixing equal volumes of ethylene glycol (SG= 1.114; MW = 62.07 g/mole) and water at 20o C. The density of the mixture is 1.070 g/mL. Express the concentration of ethylene glycol as a) Volume percent b) Mass percent c) Molarity d) Molality e) Mole fractionHelp me solve the following problem correctly and completely. Express all answers to the nearest fourth decimal place. Also, kindlly put the right unit. Thank you! *An automobile antifreeze mixture is made by mixing equal volumes of ethylene glycol (SG= 1.114; MW = 62.07 g/mole) and water at 20o C. The density of the mixture is 1.070 g/mL. Express the concentration of ethylene glycol as a) Volume percent b) Mass percent c) Molarity d) Molality e) Mole fraction Note: Answer the last two parts, d and e.
- Consider a 1.000-L stock solution of 9.69 M Na3PO4. A 2.000-mL aliquot is taken from this stock solution and diluted to a final volume of 1.000 L. A 5.000-mL aliquot is then taken from this new solution and further diluted to make a new solution with a final volume of 750.0 mL. Calculate Na+ in the final solution.1. Express the concentration of solution in % w/v containing 12 g sodium chloride and 50 ml of water. 2. An acid solution contains 18 kg of water and pure hydrochloric acid (HCl). Its concentration is 0.60 mol/kg of solvent. Compute for the number of moles of solute contained in the solution. 3. What is the molarity pf a 10 L solution that contains 3.5 moles of potassium chloride solution?How much water (in millilitres) would you need to make up a 600mM solution using 0.8g of CaCl2? The MW of CaCl2 is 110.98
- Answers should be in 4th decimal places An automobile antifreeze mixture is made by mixing equal volumes of ethylene glycol (SG=1.114; MW = 62.07 g/mole) and water at 20oC. The density of the mixture is 1.070 g/mL. Express the concentration of ethylene glycol asa) Volume percentb) Mass percentc) Molarityd) Molalitye) Mole fractionA 30 mL sample of vinegar is titrated with 39 mL of 0.5 N Sodium Hydroxide. What is the normality of the acetic acid (CH3COOH) in vinegar? Atomic Weights :Sodium - 22.99Oxygen - 15.999Hydrogen - 1.008 Enter numerical value only; round off to 4 decimal places if necessaryA 250 mL of 1% m/v Na2CO3 (MW = 105.99 g/mol) was found to have a density of 1.05 g/mL at 25oC. Find its concentration in: Molarity (M) = [A] Normality (N) = [B] Molality (m) = [C] answers in 4 decimal places including the unit. Example: 1.2345 M