Salvatore5Mikaelson
Answered

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Calculate the molar mass of the following:
1. HCI
2. ZnF2
3. K2CO3
4. FePO4
5. Cu2s
Show all your work please thank you

Calculate The Molar Mass Of The Following 1 HCI 2 ZnF2 3 K2CO3 4 FePO4 5 Cu2s Show All Your Work Please Thank You class=

Sagot :

anyakashif97

Answer:

1. 36.5g                 2. 103.3g

3. 140g                   4. 151g

5. 159g

Explanation:

1. HCl

atomic mass of H= 1g

atomic mass of Cl = 35.5g

solution:

       HCl

     = 1+ 35.5

      = 36.5g

2. ZnF2

atomic mass of Zn = 65.3g

atomic mass of F = 19g

solution:

                ZnF2

               = 65.3 + 2(19)

                =65.3 + 38

                = 103.3 g

3. K2CO3

 atomic mass of K= 40g

atomic mass of C = 12g

atomic mass of O = 16g

Solution:

               K2CO3

               = 2(40) + 12 + 3 (16)

                = 80 + 12 + 48

                 = 140g

4. FePO4

  atomic mass of Fe = 56g

  atomic mass of P= 31 g

  atomic mass of O = 16g

solution:

              FePO4

              = 56 + 31 + 4 (16)

              = 56 + 31 + 64

               = 151g

5. Cu2S

atomic mass of  Cu = 63.5g

atomic mass of S = 32 g

solution

       Cu2S

       = 2(63.5 )+ 32

        = 127 + 32

         =159g

         

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