Calculate the number of moles of BaCl2 in a 4.5 g sample of BaCl2 Use moles...

Question

Question

Calculate the number of moles of BaCl₂ in a 4.5 g sample of BaCl₂

Use moles = g/MW; ⁵⁶Ba₁₃₇; ¹⁷Cl_35.5

Answer 1

Answer #1

Mass of Back =4.5 grams Molar mass of Back = 137+2(35.5) = 208 olmal moles of mass of Bach daci - -- molar mass of Back 4.5 -

Answer 2

Similar Homework Help Questions

A sample of pure copper has a mass of 14.0 g. Calculate the number of moles...

A sample of pure copper has a mass of 14.0 g. Calculate the number of moles in the sample and copper atoms in the sample. (a) moles in the sample (b) copper atoms in the sample
a) Calculate the number of moles of iron in a 15.0 g sample of iron. b)...

a) Calculate the number of moles of iron in a 15.0 g sample of iron. b) Calculate the number of atoms in 0.25 mol of silicon. c) Calculate the mass in grams needed to have 2.65 x 1022 atoms of calcium.
7.4 Calculate each of the following: a number of Li atoms in 4.5 moles of Li...

7.4 Calculate each of the following: a number of Li atoms in 4.5 moles of Li b. number of CO2 molecules in 0.0180 mole of CO2

How many moles of barium chloride (BaCl2) are in 44.9 g of the compound?

How many moles of barium chloride (BaCl2) are in 44.9 g of the compound?
A sample of pure aluminum has a mass of 15.2 g Calculate the number of moles...

A sample of pure aluminum has a mass of 15.2 g Calculate the number of moles in the sample and aluminum atoms in the sample (a) moles in the same moles (h) aluminum atoms in the sample Need Help? Bbm An Another in -/10 POINTS SERCP11 10.4.P.034.MI. MY NOTES | ASK YOUR TEACHER a ted with air originally at 10.0°C and normal atmospheric pressure. During the process of its original volume and the temperature is increased An automobile tre 45.0...
10. A 0.4214 g sample containing only BaCl2 and NaCl requires 58.6 mL of 0.100 M...

10. A 0.4214 g sample containing only BaCl2 and NaCl requires 58.6 mL of 0.100 M AgNO for titration of chloride. Calculate the percentage of BaCl2 and NaCl in the sample.

Calculate the number of moles in 19.0 g C6H12O6

Calculate the number of moles in 19.0 g C6H12O6
The density of butane, C4H10C4H10, is 2.49×10−3 g/mL2.49×10−3 g/mL. Calculate the number of moles of butane...

The density of butane, C4H10C4H10, is 2.49×10−3 g/mL2.49×10−3 g/mL. Calculate the number of moles of butane in a 95.5 mL95.5 mL sample. moles of butane:
Calculate the number of moles in each sample: 29.7 kg C2H6

Calculate the number of moles in each sample: 29.7 kg C2H6

1. Calculate the number of moles in each sample. a. 15.7 g CCl b. 1.8 x...

1. Calculate the number of moles in each sample. a. 15.7 g CCl b. 1.8 x 1021 formula units of NaC 2. Calculate the number of grams in each sample 1.23 mol magnesium bromide 7.310 x 1025 molecules of H202 a. b. 3. Calculate the mass percent of H in each of the following compounds. C2H2 C2HsCI a. b. 4. Calculate the empirical formula of each of the following Methy butyrate: 58.80 % C, 9.87 % H, 31.33 % O...