Ask question

Ask question

All categories

3 years ago

12

200 grams of an organic sample which contains only carbon, hydrogen and oxygen is analyzed and found to contain 97.30grams of ca

rbon, 16.22grams of hydrogen and the remainder oxygen. what is the empirical formula for the compound?

1 answer:

Klio2033 [76]3 years ago

7 0

The empirical formula is C2H4O

You might be interested in

HELPPPPPP PLZZZZZ! FILE ATTACHED BELOW! ASAP PLZZZ!

baherus [9]

90 would be my guess.

4 0

3 years ago

C. Another radioisotope of americium exists which has an atomic mass of 242.

ollegr [7]

Answer:

1 g

Explanation:

The half-life of Am-242 (16 h) is the time it takes for half of it to disappear.

We can make a table of the mass left after each half-life.

$\begin{array}{cccc}\textbf{No. of} & & \textbf{Percent} & \textbf{Mass}\\\textbf{Half-lives} & \textbf{Time/h} & \textbf{Remaining} & \textbf{Remaining/g}\\0& 0 & 100 & 8\\1 & 16 &50 & 4\\2 & 32 & 25 & 2\\3 & 48 & 12.5 & 1\\4 & 64 & 6.25 & 0.5\\\end{array}$

The mass remaining after 48 h is 1 g.

7 0

3 years ago

WILL GIVE BRAINLYST

Andrew [12]

Answer: 12.18 u

Explanation: The average atomic mass of an element is calculated by taking the weighted average of the atomic masses of its stable isotopes.

In other words, each stable isotope will contribute to the average mass of the element proportionally to its abundance.

3 0

3 years ago

What is empirical and moleculer formula?.

den301095 [7]

The molecular formula shows the exact number of molecules. Therefor, the empirical formula is the simplest formula of the molecular formula

4 0

3 years ago

Balance the following chemical equation.<br><br> CCl4 -> ___ C+ ___ Cl2

Bingel [31]

Answer:

Explanation:

CCl4 => C + 2Cl2

6 0

2 years ago