A 1 in 50 solution of potasium chloride is required . you have 1 in 6...
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in 50 solution of potasium chloride is required . you have 1 in 6...
How many milliliters of a 5.0 MM sodium chloride solution is required to prepare 50. mL...
How many milliliters of a 5.0 MM sodium chloride solution is required to prepare 50. mL of 2.0 uM solution? Do not include units in the answer. Your answer should have two significant figures. (Round to the nearest whole number.) Provide your answer below:
How many milliliters of a 1:50 sodium chloride solution contain 300 milligrams of sodium chloride? A....
How many milliliters of a 1:50 sodium chloride solution contain 300 milligrams of sodium chloride? A. 37.5 mL B. 375 mL C. 15 mL D. 24 mL
You need to prepare a 30mL solution of a 1:8 syrup solution. You have on hand...
You need to prepare a 30mL solution of a 1:8 syrup solution. You have on hand a 50% syrup solution and a 1:20 soda solution. How many mL of each solution do you need to create this final solution?
You are asked to make a 50 ppm solution of benzene in alcohol. You have 200...
You are asked to make a 50 ppm solution of benzene in alcohol. You have 200 mL of alcohol (density 0.84 g/mL). How many mL of benzene (density 0.96 g/mL) do you need to add to add to the alcohol to make it 50 ppm Benzene in mixture? (10)
2. How many ml of a 50% w/v acetic acid solution are required to prepare 1...
2. How many ml of a 50% w/v acetic acid solution are required to prepare 1 L of 5% w/v acetic acid? 3. How many ml of concentrated HNOs are required to prepare 2L of 0.15N HNOs? 4. How many milliliters of a stock solution of 20% w/v NaOH are required to prepare 800 ml of a 2.5% w/v solution? 5. Suppose that you start with a 5X solution A and you want a final volume of 10 microliters of...
1. Assume that you have solid NaCl and all the glassware in your lab drawer available...
1. Assume that you have solid NaCl and all the glassware in your lab drawer available to you. What mass of sodium chloride would you need to prepare 10.0 mL of a 1.0 M NaCl(aq) solution. 2. Using the solution you prepared in #1, how many mL would you need to prepare a 2.5 mL 0.10 M NaCl solution?
9) You have a bottle of powdered calcium chloride (M.W. = 110.98 g/mole) and you need...
9) You have a bottle of powdered calcium chloride (M.W. = 110.98 g/mole) and you need to make 250 mL of a 10 mM solution. How much calcium chloride do you need to weigh?
How many chloride ions are present in 250.0 mL of 0.173 M CaCl2 solution? How many...
How many chloride ions are present in 250.0 mL of 0.173 M CaCl2 solution? How many mL of 1.55 M NaOH solution do you need to prepare 125.0 mL of 0.0500 M NaOH solution?
How many moles of sebacoyl chloride do you have if you measure out 5 mL of...
How many moles of sebacoyl chloride do you have if you measure out 5 mL of a 9% volume/volume solution in cyclohexane? Density: Cyclohexane 0.7781 g/mL. Sebacoyl chloride 1.121 g/mL Molar mass: Cyclohexane 84.16 g/mol. Sebacoyl chloride 239.14 g/mol
PLEASE SHOW WORK AND BE CLEAR!!!! 1. Calculate the following: How do you prepare 75 mL...
PLEASE SHOW WORK AND BE CLEAR!!!!
1. Calculate the following: How do you prepare 75 mL of 2% ferric chloride from a 10% solution? If you only have ferric chloride crystals, how much do you need? mL H20 mL 8 Esch How many mL of an 11% solution will 300 g of sodium chloride make? 8.25 mL hydrochloric acid diluted to 450 mL is what percent solution? 13.5 g of potassium dichromate will make how many mL of a 5%...
How many milliliters of a 5.0 MM sodium chloride solution is required to prepare 50. mL of 2.0 uM solution? Do not include units in the answer. Your answer should have two significant figures. (Round to the nearest whole number.) Provide your answer below:
You are asked to make a 50 ppm solution of benzene in alcohol. You have 200 mL of alcohol (density 0.84 g/mL). How many mL of benzene (density 0.96 g/mL) do you need to add to add to the alcohol to make it 50 ppm Benzene in mixture? (10)
2. How many ml of a 50% w/v acetic acid solution are required to prepare 1 L of 5% w/v acetic acid? 3. How many ml of concentrated HNOs are required to prepare 2L of 0.15N HNOs? 4. How many milliliters of a stock solution of 20% w/v NaOH are required to prepare 800 ml of a 2.5% w/v solution? 5. Suppose that you start with a 5X solution A and you want a final volume of 10 microliters of...
9) You have a bottle of powdered calcium chloride (M.W. = 110.98 g/mole) and you need to make 250 mL of a 10 mM solution. How much calcium chloride do you need to weigh?
PLEASE SHOW WORK AND BE CLEAR!!!!
1. Calculate the following: How do you prepare 75 mL of 2% ferric chloride from a 10% solution? If you only have ferric chloride crystals, how much do you need? mL H20 mL 8 Esch How many mL of an 11% solution will 300 g of sodium chloride make? 8.25 mL hydrochloric acid diluted to 450 mL is what percent solution? 13.5 g of potassium dichromate will make how many mL of a 5%...
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