3 attempts left Check Be sure to answer all parts. Calculate the mass in g corresponding...
3 attempts left Check my work Be sure to answer all parts. Calculate the molarity of each of the following solutions. (a) 6.03 g of methanol (CH3OH) in 1.50 x 102 mL of solution: 1.37 mol/L (b) 9.60 g of calcium chloride (CaCl,) in 2.20 x 102 mL of solution: mol/L (c) 7.37 g of naphthalene (C10H8) in 85.2 mL of benzene solution: mol/L
7. value 0.00 points 3 attempts left Check my work Calculate the number of mol corresponding to 19.0 g Be. Enter your answer in the provided box. mol Be value 1.00 points 3 attempts left Check my work Calculate the number of mol corresponding to 0.065 kg Si. Enter your answer in the provided box. mol Si 9. value 0.00 points 3 attempts left Check my work What is the average molar mass of the following elements? Be sure to...
2 attempts left Check my work Be sure to answer all parts. What are the concentrations of Ho and OH in tomatoes that have a pH of 4.23 abi P9 video-СНСО.mp4 Type here to search
Help 3 attempts left Check my work Be sure to answer all parts. Report problem points How many moles are contained in each number of grams of table sugar (C211,201 molar mass 342.3 g/mol)? Enter your answer in scientific notation. Hint a. 0.650 g b . 8.60 g Solution eBook a 10 mol Guided Solution b. 10 mol Print References
2 attempts left Check my work Be sure to answer all parts. Calculate the maximum numbers of moles and grams of HS that can form when 167.3 g of aluminum sulfide reacts with 143.0 g of water: Al,S3 + H,0 - Al(OH)3 + H2S (unbalanced) 3.34 14,5 133.9 XL, What mass of the excess reactant remains? 41.31 Xxcess reactant
3 attempts left Check my work Be sure to answer all parts. Calculate the K, of a weak acid if a 0.019M solution of the acid has a pH of 3.09 at 25°C. x 10 (Enter your answer in scientific notation.)
3 attempts left Check my work Be sure to answer all parts. Calculate the number of sodium ions, perchlorate ions, Cl atoms, and O atoms in 16.5 g of sodium perchlorate. Enter your answers in scientific notation. x 10 (select) sodium ions * 10 (select) perchlorate ions x 10 (select) Cl atoms * 10 (select) O atoms
html Saved 10 attempts left Check my work Be sure to answer all parts. Determine the amount of heat (in kJ) associated with the production of L46 x 10g of NO, according to- the following equation: 2 NOg)+O2)2NO (g) Enter your answer in scientific notation. AH--114.6 kJ/mol x 10 kJ 2 of 2 <Prev search
3 attempts left Check my work Be sure to answer all parts. Compound A decomposes according to the equation points A(g) = 2 B(g) + C (g) eBook A sealed 1.00-L container initially contains 1.83 x 10-3 mol of A(g), 1.26 x 10-3 mol of B(g), and 6.56 x 10-4 mol of C(g) at 100°C. At equilibrium, [A] is 2.10 x 10M. Find [B] and [C]. Print References Solve for the equilibrium concentrations of B and C. [B]eg * 10...
3 attempts left Check my work Be sure to answer all parts. Compound A decomposes according to the equation points A(g) = 2 B(g) + C (g) eBook A sealed 1.00-L container initially contains 1.81 x 10-3 mol of A(g), 1.23 x 10-3 mol of B(g), and 6.45 x 10-4 mol of C(g) at 100°C. At equilibrium, [A] is 2.06 x 10^M. Find [B] and [C]. Print References Solve for the equilibrium concentrations of B and C. [B]eg * 10...