Question

Calculate the formula unit mass of : (NH4)2PO4 ( P=31)

Answer 1

Formula unit mass for (NH

4

)

2

SO

4

Formula unit mass for (NH

4

)

2

SO

4

=2×atomic mass of N+8×atomic mass of H+1×atomic mass of S

+4×atomic mass of O

=2×14+8×1+1×32+4×16

=28+8+32+64

=132.

#Hope you have satisfied with this answer.

Answer 2

12. Identify the error in the following python statement:
print("My Name is”, first_name)
write the correct statement also.