Acompound is found to contain 49.5% carbon, 5.19% hydrogen, 16.5% oxygen, and 28.9% nitrogen. its molecular mass is 194.2 g/mol. what is its empirical formula? what is its molecular formula? explain what each of these formulas tells us about the molecule. (lesson 6)
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Ответ:
Ответ:
Now, you said that the unit rate of pages per hour is 48.
Which means Penny reads 48 pages in 1 hour.
Now,
You can do this problem by two methods.....one is ratio and proportion and other is unitary method.
First, let us use unitary method.
Using unitary method,
Penny reads 48 pages in 1 hour.
Penny reads 48 *
Penny reads 1 pages in
This is your answer....
Now, let me show you the ratio and proportion method:
According to the question,
48 pages = 1 hr.
1 page = x hr.
Using ratio and proportion,
So, basicallly you get the same answer using both method......
If you want to the answer in decimals, the answer would be 0.020833.... hour.