Q. 7.24 - An Introduction to General, Organic, and Biological Chemistry

Question

Calculate the mass, in grams, in $2.28$ moles of each of the following: 

a. $N_2$

b. $S{O}_3$

c.$C_3{H}_6{O}_3$

d. $Mg{\left(HC{O}_3\right)}_2$

 e. $S{F}_6$

Step-by-Step Solution

Answer

The mass, in grams, in $2.28$ moles of each of the following:  

a. $63.84$ g

b. $182.53$ $g$

c.$205.38$ $g$

d.$336.3$ g

e.  $333.01$ g 

Part (a) Step 1: Given information

We need to find the mass in grams in $2.28$ moles .

Part (a) Step 2: Explanation

Here  one mole is atomic mass of substance expressed in grams .

Number of moles=gram molecular weight/molar mass .

So we are given with the number of moles , we know molar mass of substance.

Therefore  mass in grams is $2.28 \cancel{moles} \times 28 \frac{g}{\cancel{moles}}=63.84$g

Part (b) Step 1: Given information

We need to find the mass in grams in $2.28$ moles .

Part (b) Step 2: Explanation

Here  one mole is atomic mass of substance expressed in grams .

Number of moles=gram molecular weight/molar mass 

So we are given with the number of moles , we know molar mass of substance.

Therefore  mass in grams is$2.28 \cancel{moles} \times 80.06 \frac{g}{\cancel{moles}}=182.53$ g

Part (c) Step 1: Given information

We need to find the mass in grams in $2.28$ moles .

Part (c) Step 2: Explanation

Here  one mole is atomic mass of substance expressed in grams .

Number of moles=gram molecular weight/molar mass 

So we are given with the number of moles , we know molar mass of substance.

Therefore  mass in grams is$2.28 \cancel{moles }\times 90.08 \frac{g}{\cancel{moles}}=205.38$ g

Part (d) Step 1: Given information

We need to find the mass in grams in $2.28$ moles .

Part (d) Step 2: Explanation

Here  one mole is atomic mass of substance expressed in grams .

Number of moles=gram molecular weight/molar mass 

So we are given with the number of moles , we know molar mass of substance.

Therefore  mass in grams is$2.28 \cancel{moles} \times 146.34 \frac{g}{\cancel{moles}}=333.6$

Part (e) Step 1: Given information

We need to find the mass in grams in $2.28$ moles .

Part (e) Step 2: Explanation

Here  one mole is atomic mass of substance expressed in grams .

Number of moles=gram molecular weight/molar mass 

So we are given with the number of moles , we know molar mass of substance.

Therefore  mass in grams is$2.28\cancel{ moles}\times 146.06 \frac{g}{\cancel{moles}}=333.01$ g