Question

In: Chemistry

4. a) Show that the formula mass of NaCl is 58.442 ± 0.006 g/mol. b) To...

4. a) Show that the formula mass of NaCl is 58.442 ± 0.006 g/mol. b) To prepare a solution of NaCl, you weigh out 2.634(±0.002) g and dissolve it in a volumetric flask whose volume is 100.00(±0.08) mL. Express the molarity of the solution, along with its uncertainty, with an appropriate number of digits.

Solutions

Expert Solution


Related Solutions

4. a) Show that the formula mass of NaCl is 58.442 ± 0.006 g/mol. b) To...
4. a) Show that the formula mass of NaCl is 58.442 ± 0.006 g/mol. b) To prepare a solution of NaCl, you weigh out 2.634(±0.002) g and dissolve it in a volumetric flask whose volume is 100.00(±0.08) mL. Express the molarity of the solution, along with its uncertainty, with an appropriate number of digits.
Chapter 3, Question 18 (a) Show that the formula mass of NaCl is 58.442 +/- 0.006...
Chapter 3, Question 18 (a) Show that the formula mass of NaCl is 58.442 +/- 0.006 g/mol. (b) To prepare a solution of NaCl, you weigh out 2.634 (+/- 0.002) g and dissolve it in a volumetric flask whose volume is 100.00 (+/- 0.08) mL. Express the molarity of the solution along with its uncertainty, with an appropriate number of digits.
what is the empirical formula and the empirical formula mass (g/mol) of a compound composed of...
what is the empirical formula and the empirical formula mass (g/mol) of a compound composed of 31.0% oxygen, 8.06% hydrogen, and 60.1% carbon by mass.
A compound with the empirical formula of CH4O and a molar mass of 32 g/mol has...
A compound with the empirical formula of CH4O and a molar mass of 32 g/mol has a molecular formula of:
What volume of 0.20 M NaCl(aq) contains 10.0 g of NaCI (molar mass 58 g/mol)?
What volume of \(0.20 M \mathrm{NaCl}(a q)\) contains \(10.0 \mathrm{~g}\) of \(\mathrm{NaCl}\) (molar mass \(58 \mathrm{~g} / \mathrm{mol}\) )?
Calculate the masses of NaCl (58.44 g/mol) and KCl (74.55 g/mol) that are required to prepare...
Calculate the masses of NaCl (58.44 g/mol) and KCl (74.55 g/mol) that are required to prepare 500.00 mL of a standard solution that contains N a + Na+ and K + K+ present at 540.0 ppm w/v. mass of NaCl ____ mass of KCl _____ please show work.
A compound with the empirical formula CH2 has a molar mass of 98 g/mol. What is...
A compound with the empirical formula CH2 has a molar mass of 98 g/mol. What is the molecular formula for this compound? 2-A compound is 54.53% C, 9.15% H, and 36.32% O by mass. What is its empirical formula? 3-The molecular mass of the compound is 132 amu. What is the molecular formula? 4What is the empirical formula of a compound composed of 3.25% hydrogen (H), 19.36% carbon (C), and 77.39% oxygen (O) by mass? 5What is the empirical formula...
The empirical formula of styrene is CH; the molar mass of styrene is 104.14 g/mol. How...
The empirical formula of styrene is CH; the molar mass of styrene is 104.14 g/mol. How many H atoms are present in a 4.825g sample of styrene? ___ H atoms (Give your answer in e format. For example 12014 = 1.2014e+05)
1. The molar mass of a compound is 126 g/mol, and it's empirical formula is C2H2O....
1. The molar mass of a compound is 126 g/mol, and it's empirical formula is C2H2O. What is compound's molecular formula? 2. A compound consist of 26.18g Si and 29.82g O. Calculate its empirical formula? 3. Calculate the empirical formula of the compound that consist of 70.4%F and 29.6%O.
1)CALCULATE MOLARITY OF EACH SOLUTION!Show work. a) 3.00 MOL NaCl in 400.0 mLsolution. b) 0.600 mol...
1)CALCULATE MOLARITY OF EACH SOLUTION!Show work. a) 3.00 MOL NaCl in 400.0 mLsolution. b) 0.600 mol KNO3 IN 100.0 mL solutiom c) 14.2g NaSO4 in 50.0 mL solution d) 20.0g CaCO in 200.0 mL solution 2)Calculate # of moles in each solution. a) 200.0 mL of .300M solution b) 40.0 mL of a 5.00 solution 3) Calculate the # g of solute needed to make a)100.0 mL of .200M NaCl solution b)50.0mL of .600M K2SO4 solution c)300.0 mL of .400M...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT