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3 years ago

The thioketal product of a certain reaction is given below. draw the structure of:

Chemistry

1 answer:

SVETLANKA909090 [29]3 years ago

8 0

https://images.app.goo.gl/NnQUnwKUPa7d2nAt5 go here to get to get your anwser

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Iron is biologically important in the transport of oxygen by red blood cells from the lungs to the various organs of the body. I

Aneli [31]

Answer : The number of iron atoms present in each red blood cell are, $1.077\times 10^9$

Explanation :

First we have to calculate the moles of iron.

$\text{Moles of iron}=\frac{\text{Mass of iron}}{\text{Molar mass of iron}}=\frac{2.90g}{55.85g/mole}=0.0519moles$

Now we have to calculate the number of iron atoms.

As, 1 mole of iron contains $6.022\times 10^{23}$ number of iron atoms

So, 0.0519 mole of iron contains $0.0519\times 6.022\times 10^{23}=3.125\times 10^{22}$ number of iron atoms

Now we have to calculate the number of iron atoms are present in each red blood cell.

Number of iron atoms are present in each red blood cell = $\frac{\text{Number of iron atoms}}{\text{Total number of red blood cells}}$

Number of iron atoms are present in each red blood cell = $\frac{3.125\times 10^{22}}{2.90\times 10^{13}}$

Number of iron atoms are present in each red blood cell = $1.077\times 10^9$

Therefore, the number of iron atoms present in each red blood cell are, $1.077\times 10^9$

6 0

3 years ago

What is the empirical formula

Radda [10]

Answer:

a formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms.

Explanation:

4 0

2 years ago

How many moles are in .5g of sodium bromide?

3241004551 [841]

Answer: 4.86 x 10⁻³ mole.

Explanation:

The number of moles can be calculated using the relation; n = mass / molar mass.

n is the number of moles, mass is the mass of the substance in g (m = 0.5 g), and molar mass of NaBr = 102.894 g/mole.

n = mass / molar mass = (0.5 g) / (102.894 g/mole) = 4.86 x 10⁻³ mole.

8 0

3 years ago

Which tool would a scientist use to hold, mix, and heat chemicals in an experiment?

RoseWind [281]

Answer:

If it's multiple choice it's 2 and 3, if not I think the best answer is 2, but I'm not exactly sure.

3 0

3 years ago

List two acids and two bases you come in contact with on a regular basis. Which of these is has a pH farthest away from pure dis

Alona [7]

Bases- soap, baking soda
Acids- oranges,lemons

idk

6 0

3 years ago