Calculate the number of Atom and the molecular formula of molecule having mass ratio H:S equal to 1:16
Answers
Answer: This may help you
Explanation:
Determine the Molar Mass of Each Element Present
H2SO4 contains hydrogen (H), sulfur (S) and oxygen (S). From the periodic table, you can see that the molar masses of these elements are:
H = 1.00
S = 32.06
O = 16.00
Step 2: Determine the Mass of Each Individual Element Present
In this step, you multiply the number of atoms in one molecule of the compound by the molar masses you collected in Step 1. The number of atoms is simply the subscript after the element's abbreviation in the molecular formula, with the omission of a subscript signifying "1."
There are two H atoms present, one S atom and four O atoms, so you have:
H = (2)(1.00) = 2 g
S = (1)(32.06 g) = 32.06 g
O = (4)(16.00 g) = 64 g
Step 3: Determine the Molar Mass of the Compound
Add together the figures you calculated in Step 2:
2 + 32.06 + 64 = 98.06 g
Step 4: Divide the Mass of Each Element Present by the Molar Mass
This means dividing the individual masses from Step 2 by the result of Step 3.
For H, you have 2 ÷ 98.06 = 0.0204 = 2.04 percent hydrogen
For S, you have 32.06 ÷ 98.06 = 0.3269 = 32.69 percent sulfur
For O, you have 64 ÷ 98.06 = 0.6527 = 65.27 percent oxygen
Tip
To check your work, make sure your percentages sum to 100, allowing for tiny differences owing to rounding:
2.04 + 32.69 + 65.27 = 100.0
Answer:
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