How many grams of copper if you a 499.8 mL of a .10 M solution/. (Hint M = mol/L and amu for Cu =63.546 g/mol)
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How many grams of copper if you a 499.8 mL of a .10 M solution/. (Hint...
se 3. If you found that you need 0.2943 mols of copper, how many grams of copper do you need the molar mass of copper from above!) Note that the three conversions you just did above can be strung together as shown below: 8 AgNO, → mols AgNO, → mols Cu — g Cu Imol AgNO, 1 mol Cu 63.55 g Cu 100.0 g AgNO3 169 89. ANO, 2 mol AgNO, Imol Cu
you need to make 2.00 L of 0.05 M copper (II) nitrate solution. How many grams of copper (II) nitrate will you require?
How
many grams of AgNO3 are required to make 770.0 mL of a 0.15 M
solution?
How many grams of AgNO3 are required to make 770.0 mL of a 0.15 M solution? The molar mass of silver nitrate is 169.9 g/mol. One approach is to solve the molarity relationship (M- n/N) for moles. o a 19.6g b. 6.82 g O5.10 g o d. 1.95 g O e. None of the above
2. If 5.45 grams of metallic copper was reacted with 20.0 mL of concentrated (16.0 M) nitric acid, how many grams of Cu(NO3)2 will be produced in solution? 11
How many grams of NaCl are in 191 mL of a 0.85 M NaCl solution? (The molar mass of NaCl is 58.44 g/mol.) Enter your numerical result in grams without the unit to a precision of 0.01 g.
How many grams CuSO4∙5H2O (MM = 249.685 g/mol) are there in a 100 mL solution if an electrode weighed 7.9045 g initially and 8.2532 g after copper metal was electroplated onto it from the solution?
50 mL of a 0.050 M solution of Cu2+ was reduced to solid copper. How many coulombs had passed when the Cu2+ was completely reduced to Cu(s)? Use 2 significant figures. Please show all work, thank you!
10. How many grams of NHs will dissolve in 0.10 L of solution when its partial pressure is 7.6 torr? (h-58 m Calculate the mole fraction of NaCI in a solution that is prepared by dissolving 20.0 g NaCI in atm 11. 90.0 g of H20. 12. Calculate the parts per million of a solution made by dissolving 0.340 g of NH, in 2.00 x 10 mL of water (MMNH3-17.04 mol, di 20 = 1.00 mL).
Can you pleass show the work and explain? (1) How many grams of potassium chloride must be dissolved in 2.50 x 10^(2) mL of water to make a 0.400 m solution? (2) How many milliliters of commercial hydrochloric acid, which is 11.6 molar, should you use to prepare 5.50 L of 0.500 molar hydrochloric acid? (3) Calculate the molarity of a NaOH solution prepared by mixing 100. mL of 0.20 M NaOH with 150 mL of H2O. (4) Calculate the...
In lab, you reacted copper metal with aqueous nitric acid to produce aqueous copper (II) nitrate, nitrogen dioxide gas and water. Cu (s) + 4HNO3 (aq) ---- > Cu(NO3)2 (aq) + 2NO2 (g) + 2H2O (l) a) If 0.210 gram of copper is reacted with 35.0 mL of 0.551 mol/L nitric acid, how many molecules and how grams of copper (II) nitrate are produced? b) How many moles of the reagent that is in excess are left over? c) If...