How many grams CuSO4∙5H2O (MM = 249.685 g/mol) are there in a 100 mL solution if...
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How
many grams CuSO4∙5H2O (MM = 249.685 g/mol) are there in a 100 mL
solution if...
A chemist dissolved 65.353 grams of CuSO4 * 5H2O into enough water to make 150.0 mL...
A chemist dissolved 65.353 grams of CuSO4 * 5H2O into enough water to make 150.0 mL of aqueous CuSO4 solution. (a) Calculate the concentration of this solution, in molarity. (b) What is the normality of the Cu2+ ions in the above solution? (c) He then reacted the above CuSO4 solution with some 0.225 M KI solution. The reaction occurs as follows: 2 CuSO4 (aq) + 4 KI (aq) à 2 CuI (s) + I2 (aq) + 2 K2SO4 (aq)...
How many oxygen atoms are there in 4.55 grams of CuSO4*5H2O?
How many oxygen atoms are there in 4.55 grams of CuSO4*5H2O?
How many grams of Na2SO4 (142.04 g/mol) are needed to prepare 125.0 mL of 2.50 mM...
How many grams of Na2SO4 (142.04 g/mol) are needed to prepare 125.0 mL of 2.50 mM solution of Na+? What's the concentration in ppm of Na+ in this solution?
How many grams of KCN (Mm = 65.1 g/mol) must be added to 900. mL of...
How many grams of KCN (Mm = 65.1 g/mol) must be added to 900. mL of 1.240-M solution of HCN in order to prepare a pH = 8.86 buffer?
1. You are provided with 1M solution of CuSO4. 2. Calculate how many grams of CuSO4...
1. You are provided with 1M solution of CuSO4. 2. Calculate how many grams of CuSO4 are dissolved in 100 mL of water to prepare this solution. Show your work in the space provided below. (Molar mass of CuSO4 = 159.6086 g/mol) (1 mark) Scso this . cutissu 159.6 خرداكولات و 3. Using a suitable transfer pipette transfer V. mL of your 1M Cuso. solution into a 100 ml volumetric flask. CV C 2V2 4. Using the equation CiV1=C2V2 calculate...
How many grams (to the nearest 0.01 g) of NH4Cl (Mm = 53.49 g/mol) must be...
How many grams (to the nearest 0.01 g) of NH4Cl (Mm = 53.49 g/mol) must be added to 750. mL of 1.188-M solution of NH3 in order to prepare a pH = 9.90 buffer?
How many grams (to the nearest 0.01 g) of NH4Cl (Mm = 53.49 g/mol) must be...
How many grams (to the nearest 0.01 g) of NH4Cl (Mm = 53.49 g/mol) must be added to 750. mL of 0.928-M solution of NH3 in order to prepare a pH = 8.95 buffer?
QUESTION 13 Copper is electroplated from CuSO4 solution. A constant current of 8A is applied by...
QUESTION 13 Copper is electroplated from CuSO4 solution. A constant current of 8A is applied by an external power supply. How long will it take to deposit 100 g of Cu? The atomic mass of copper is 63.546 g/mol. F-96 485 SA/mol a. 36 h b. 12 h 607 sec d. 10.5 he e 12.2 hr
1. If there are 15 g in 35 mL of a solution, how many grams are...
1. If there are 15 g in 35 mL of a solution, how many grams are there in 100 mL of this solution? 2. If there are 3 g in 75 mL of solution, how many grams are there in 200 mL of the same solution? 3. If there are 5 g in 200 mL of solution, how many milliliters of the same solution can be made form 30 grams? 4. If there are 8 grams in 160 mL of...
1. preparing and mixing the reactants mass of weighing boat and CuSO4*5h2O, g : 2.66g Mass...
1. preparing and mixing the reactants mass of weighing boat and CuSO4*5h2O, g : 2.66g Mass of weighing boat, g: .66g mass of CuSO4*5h2O,g: 2.00g Molarity of ammonia solution, M: ???? in this part we added 2.00g of CuSO4*5h2O, and added 6.4mL of water. we then heated the mixture and added 6.45mL of NH3. after it was done heating, 8.3mL of room temp ethanol was added. we then made an ice water bath, and put the beaker in the ice...
1. You are provided with 1M solution of CuSO4. 2. Calculate how many grams of CuSO4 are dissolved in 100 mL of water to prepare this solution. Show your work in the space provided below. (Molar mass of CuSO4 = 159.6086 g/mol) (1 mark) Scso this . cutissu 159.6 خرداكولات و 3. Using a suitable transfer pipette transfer V. mL of your 1M Cuso. solution into a 100 ml volumetric flask. CV C 2V2 4. Using the equation CiV1=C2V2 calculate...
QUESTION 13 Copper is electroplated from CuSO4 solution. A constant current of 8A is applied by an external power supply. How long will it take to deposit 100 g of Cu? The atomic mass of copper is 63.546 g/mol. F-96 485 SA/mol a. 36 h b. 12 h 607 sec d. 10.5 he e 12.2 hr
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