Problem: given the atomic mass of select elements, calculate the molar mass of each saltElement                   Molar mass (g/mol)Beryllium(Be)                    9.012Calcium (Ca)                     40.08Copper (Cu)                      63.55Cadmium (Cd)                   112.41Bromine (Br)                      79.90Match the numbers to the appropriate blanks in the sentence below. Make certain each sentence is complete before submitting your answer.1. The molar mass of CaBr2 is _.2. The molar mass of BeBr2 is _.3. The molar mass CdBr2 is _.4. The molar mass CuBr2 is _.Choices:a. 89.91 g/molb. 119.98 g/molc. 168.81 g/mold. 143.45 g/mole. 199.88 g/molf. 223.35 g/molg. 192.31 g/molh. 272.21 g/mol

FREE Expert Solution

Take note of the following:

  1. Gather atomic mass for each element from the periodic table 
  2. The subscript determines the number of moles of that element per mole of compound 
  3. If we have a subscript outside a bracket, we multiply that to each of the subscripts of each element. 


91% (386 ratings)
View Complete Written Solution
Problem Details

given the atomic mass of select elements, calculate the molar mass of each salt

Element                   Molar mass (g/mol)
Beryllium(Be)                    9.012
Calcium (Ca)                     40.08
Copper (Cu)                      63.55
Cadmium (Cd)                   112.41
Bromine (Br)                      79.90

Match the numbers to the appropriate blanks in the sentence below. Make certain each sentence is complete before submitting your answer.

1. The molar mass of CaBr2 is _.

2. The molar mass of BeBr2 is _.

3. The molar mass CdBr2 is _.

4. The molar mass CuBr2 is _.


Choices:

a. 89.91 g/mol

b. 119.98 g/mol

c. 168.81 g/mol

d. 143.45 g/mol

e. 199.88 g/mol

f. 223.35 g/mol

g. 192.31 g/mol

h. 272.21 g/mol

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Calculating Molar Mass concept. You can view video lessons to learn Calculating Molar Mass. Or if you need more Calculating Molar Mass practice, you can also practice Calculating Molar Mass practice problems.