2 attempts left Check my work Be sure to answer all parts. milliliters of a 0.17 M sucrose solution contain each of...
Be sure to answer all parts. How many milliliters of a 0.24 M sucrose solution contain each of the following number of grams? The molar mass of sucrose (C12H22011) is 342.3 g/mol. a. 1.16 g ml b. 24.0 mg
Be sure to answer all parts. How many milliliters of a 0.42 M sucrose solution contain each of the following number of grams? The molar mass of sucrose (C12H2011) is 342.3 g/mol a. 0.700 g ml b.4.7 g
How many milliliters of a 0.59 M sucrose solution contain each of the following number of grams? The molar mass of sucrose (C12H22O11) is 342.3 g/mol. a. 0.140g ______mL b. 4.8g ______mL
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. A biochemical engineer isolates a bacterial gene fragment and dissolves a 16.0-mg sample in enough water to make 30.0 mL of solution. The osmotic pressure of the solution is 0.340 torr at 25°C. (a) What is the molar mass of the gene fragment? g/mol (b) If the solution density is 0.997 g/mL, how large is the freezing point depression for this solution (K of water = 1.86°C/m)?
3 attempts left Check my work Be sure to answer all parts. Answer the following questions about diethyl ether (C4H100, molar mass of 74.1 g/mol), the first widely used general anesthetic. Diethyl ether can be prepared from ethanol according to the following balanced equation. 2 C2H600→ CH100(1) + H2O() ethanol diethyl ether a. How many grams of diethyl ether are formed from 0.55 mol of ethanol? 0 g diethyl ether b. How many grams of diethyl ether are formed from...
3 attempts left Check my work Be sure to answer all parts A solution of 5.06 g of a compound having the empirical formula CoHjP in 25.0 g of benzene is observed to freeze at 2.3°C. Calculate the molar mass of the solute and its molecular formula. 615 Molar Mass Molecular Formula The normal freezing point of benzene is 5.50°C and the Kf for benzene is 5.12°C/m.
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
2 attempts left Check my work Be sure to answer all parts. In a combination reaction, 1.46 g of lithium is mixed with 6.80 g of oxygen. (a) Which reactant is present in excess? 0 lithium. O oxygen. (b) How many moles of product are formed? mol (c) After the reaction, how many grams of each reactant and product are present? g Li g 02 g Li2O
3 attempts left Check my work Be sure to answer all parts. Report problem How many moles of water contain each of the following number of molecules? Hint points Report your answer using appropriate number of significant figures. Solution a. 8.37 x 1025 molecules Guided Solution eBook mol Print b. 3.97 x 10-2 molecules mol References c. 2.0 x 1024 molecules mol