How many molecules are contained in each of the following number of moles? Report your answer using two significant figures. a. 5.6 mol of penicillin molecules
b. 0.84 mol of NH3 molecules
a. × 10 molecules
How many molecules are contained in each of the following number of moles? Report your answer...
How many moles are contained in each if the following? Report appropriate number of significant figures a. 30.7g of CH4 b.12.0g of H2O
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
how many molecules are contained in a 7.05 How many molecules are contained in a 7.05-g sample of dimethylmercury? Express your answer in molecules to three significant figures. What is the percentage of mercury (by mass) in the sample? Express your answer as a percent to four significant figures.
A sample of sulfur trioxide (SO3) weighs 5100g. How many molecules are contained in this sample? Use 80.063 the molar mass of SO3. Use 6.022 x 1023 mol-1 for Avogadro's number. Report your answer in scientific notation.Your answer should have two significant figures.
Be sure to answer all parts. How many moles are contained in each number of grams of table sugar (C12H2,011, molar mass 342.3 g/mol)? Enter your answer in scientific notation. a. 93.0 g b. 0.0690 g mol
Be sure to answer all parts. How many moles are contained in each number of grams of table sugar (C2H,201, molar mass 342.3 g/mol)? Enter your answer in scientific notation. a. 0.800 g b. 8.40 g mol
How many moles of NH3 are produced when 1.7 moles H_2 reacts? Express your answer using two significant figures. How many moles of H_2 are needed to react with 0.80 mole N_2? Express your answer using two significant figures. How many moles of N_2 reacted if 0.65 mole NH_3 is produced? Express your answer using two significant figures.
How many moles of sucrose are contained in wach solution. hi i need help with all three parts of the problem . Part A 3.2 L of a 0.105 M sucrose solution Express your answer using two significant figures. mol Submit Request Answer Part B 0.972 Lof a 2.58 M sucrose solution Express your answer using three significant figures. VO A D mol Submit Request Answer Part C 24.5 mL of a 0.558 M sucrose solution Express your answer using...
How many moles are contained in each number of grams of table sugar (C12H22O11, molar mass 342.3 g/mol)? Enter your answer in scientific notation. a. 13.0 g b. 0.0470 g
Helps 2 attempts left Check my work Be sure to answer all parts. Enter your answers in scientific notation. How many carbon atoms are contained in each of the following number of moles: (a) 3.50 mol; (b) 4.70 mol? Report answer using three significant figures. al atoms * 10 * 10 (6) atoms