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For each compound, list the correct formula and calculate the formula mass.(a) tin(IV)
Chapter 5, Problem 97P(choose chapter or problem)
For each compound, list the correct formula and calculate the formula mass.
(a) tin(IV) sulfate
(b) nitrous acid
(c) sodium bicarbonate
(d) phosphorus pentafluoride
Questions & Answers
QUESTION:
For each compound, list the correct formula and calculate the formula mass.
(a) tin(IV) sulfate
(b) nitrous acid
(c) sodium bicarbonate
(d) phosphorus pentafluoride
ANSWER:Solution 97P
Here, we are going to calculate the formula mass.
Formula mass is the average mass of the molecule of a compound.
Formula mass of a molecule can be calculated by using the following formula.
Formula mass = (no of atoms of the element ) x (atomic mass of 1st element) + (no of atoms of the element ) x (atomic mass of 2nd element) +...
(a) tin(IV) sulfate
The chemical formula of the compound is Sn(SO4)2.
Formula mass
= 1 x(atomic mass of Sn)+ 2 x(atomic mass of S )+ 8 x(atomic mass of Oxygen)
= 1 x 118.71 amu + 2 x 32.06 amu + 8 x 16 amu
= 118.17 + 64.12 + 128.0