Question

A) Determine the mass in grams of 0.100 mol of gold. MM = 196.97 g/mol mass=?...

A) Determine the mass in grams of 0.100 mol of gold.

MM = 196.97 g/mol

mass=?

B)

Determine the number of atoms  in 0.100 g of gold.

MM = 196.97 g/mol ?

C) Determine the number of electrons in 0.100 g of gold.

MM = 196.97 g/mol ?

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Gold has a molar mass of 197 g/mol. (a) How many moles of gold are in...
Gold has a molar mass of 197 g/mol. (a) How many moles of gold are in a 3.51 g sample of pure gold? (b) How many atoms are in the sample?
Determine the mass in units of grams​ [g] of 0.43 moles​ [mol] of a new fictitious...
Determine the mass in units of grams​ [g] of 0.43 moles​ [mol] of a new fictitious compound you have developed in the lab. The formula is Upper A 9 Upper B 8 Upper C 3 Upper D 8. The components are​ A, amuequals4​; ​B, amuequals18​; ​C, amuequals37​; and​ D, amuequals61.
What is the molar mass of barium perchlorate, Ba(ClO4)2? A. 189.90 g/mol B. 272.24 g/mol C....
What is the molar mass of barium perchlorate, Ba(ClO4)2? A. 189.90 g/mol B. 272.24 g/mol C. 336.20 g/mol D. 240.24 g/mol E. 304.24 g/mol The number of moles of glucose (C6H12O6), in 152 grams of glucose is: (atomic weights: C = 12.0, H = 1.00 and O = 16.0) A. 1.18 mols B. 180 mols C. 0.844 mol D. 29.0 mols E. 12.0 mols What is the weight, in grams, of a sample of NaNO3 if this sample contains 3.80x1024...
Calculate how many grams of gold would be plated out on a coin, if a current...
Calculate how many grams of gold would be plated out on a coin, if a current of 3.1 (Amp) is applied for 13 min to an electrolytic cell shown above. The following reaction is occurring: Au3+ + 3 e- → Au MW for gold equals 197g / mol. 1 amp (A) = 1 coulomb/second (C/s) Charge on 1 mol of electrons = 96500 coulombs (C) = 1 faraday (F) Calculate the number of grams plated out. You must take into...
Pennies The mass of a penny is about 3.00 grams, and its diameter is 19.0 mm....
Pennies The mass of a penny is about 3.00 grams, and its diameter is 19.0 mm. a. What is the mass of a single copper (Cu) atom in atomic mass units (u)? b. What is the mass of 1 mole of copper atoms in grams (g)? c. If a penny was solid copper, how many moles of copper would it contain? d. How many atoms would it contain? e. In order to begin to understand the magnitude of this number,...
Copper carbonate hydrate produces 1 mole of water (MM = 18.015 g/mol) for every mole of...
Copper carbonate hydrate produces 1 mole of water (MM = 18.015 g/mol) for every mole of solid product (MM = 79.545 g/mol) produced. Given that 3.327 g of solid product were produced during the reaction, how many grams of water were released as water vapor? (number of moles = mass (g)/ molar mass (g/mol)).
1.) Mass (in grams) of 1.50×10−2 mol of CdS. 2.) Number of moles (n) of NH4Cl...
1.) Mass (in grams) of 1.50×10−2 mol of CdS. 2.) Number of moles (n) of NH4Cl in 86.6 g of this substance. 3.) Number of molecules in 8.487×10−2 mol  C6H6. 4.) Number of O atoms in 7.25×10−3 mol Al(NO3)3.
Assume that a gold wire 0.32 mm in diameter carries one mobile electron per atom. The...
Assume that a gold wire 0.32 mm in diameter carries one mobile electron per atom. The mass density and the molecular weight of gold are 1.89×104 kg/m3 and 197.0 g/mol, respectively. Calculate the drift speed of the electrons in this wire when it carries a current of 2.44 A. (ans. 3.28×10-3 m/s)
Part A Mass, in grams, of 0.145 mol sucrose (C12H22O11 ). Express your answer using three...
Part A Mass, in grams, of 0.145 mol sucrose (C12H22O11 ). Express your answer using three significant figures Part B Moles of Zn(NO3)2 in 141.50 g of this substance. Express your answer using four significant figures. Part C Number of molecules in 7×10−6 mol CH3CH2OH . Express your answer using four significant figures. Part D Number of N atoms in 0.650 mol NH3 . Express your answer using three significant figures.
Mr. T has a gold chain with a mass of 100 grams. The density of gold...
Mr. T has a gold chain with a mass of 100 grams. The density of gold is 19.3 g/cm3. In liters, what is the volume of Mr. T’s gold chain?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT