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3 years ago

Uses of ammonia gas ?????

Chemistry

1 answer:

Alex Ar [27]3 years ago

8 0

Answer:

1.It is used as a cleaning agent and can be used to remove stains or clean mirrors, tubs, sinks, windows and more.

1.It is used as a cleaning agent and can be used to remove stains or clean mirrors, tubs, sinks, windows and more. 2.it is use in agriculture

1.It is used as a cleaning agent and can be used to remove stains or clean mirrors, tubs, sinks, windows and more. 2.it is use in agriculture 3.ir is also used as a refrigerant gas, for purification of water supplies, and in the manufacture of plastics, explosives, textiles, pesticides, dyes and other chemicals. It is found in

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What mass of sucrose (C12H22O11) should be combined with 546 g of water to make a solution with an osmotic pressure of 8.80 atm

lesya [120]

<u>Answer:</u> The mass of sucrose required is 69.08 g

<u>Explanation:</u>

To calculate the concentration of solute, we use the equation for osmotic pressure, which is:

$\pi=iMRT$

Or,

$\pi=i\times \frac{\text{Mass of solute}\times 1000}{\text{Molar mass of solute}\times \text{Volume of solution (in mL)}}\times RT$

where,

$\pi$ = osmotic pressure of the solution = 8.80 atm

i = Van't hoff factor = 1 (for non-electrolytes)

Mass of solute (sucrose) = ?

Molar mass of sucrose = 342.3 g/mol

Volume of solution = 564 mL (Density of water = 1 g/mL)

R = Gas constant = $0.0821\text{ L.atm }mol^{-1}K^{-1}$

T = Temperature of the solution = 290 K

Putting values in above equation, we get:

$8.80atm=1\times \frac{\text{Mass of sucrose}\times 1000}{342.3\times 546}\times 0.0821\text{ L.atm }mol^{-1}K^{-1}\times 290K\\\\\text{Mass of sucrose}=\frac{8.80\times 342.3\times 546}{1\times 1000\times 0.0821\times 290}=69.08g$

Hence, the mass of sucrose required is 69.08 g

5 0

3 years ago

The ingredient label for a fruit drink reads: water, sugar, orange juice, high fructose corn syrup, vitamin C, sodium benzoate (

Alborosie

Answer:

Explanation:

C is the only one that is true. Because sugar comes before juice in the ingredients listed, there is more of it.

4 0

4 years ago

An atom with two protons, three neutrons and two electrons would have a mass of about how many atomic mass units?

marshall27 [118]

D
$2 + 3 + 2$

8 0

3 years ago

Read 2 more answers

Which of the following did Democritus NOT think about atoms

vovikov84 [41]

Answer:

Need more information.

Explanation:

3 0

4 years ago

!NO LINKS!

ad-work [718]

A sodium atom is more likely to react with a chlorine atom than a potassium atom.

The atoms of elements in the periodic table are arranged in groups and periods. The elements in the same group of the periodic table have similar reactivity.

We know that metals do not often combine with each other except in alloys. Metals of group 1 such as sodium and potassium do not form alloys hence they do not combine.

On the other hand, the electronegativity difference between sodium and chlorine is high. This causes the both of them to easily combine and form and ionic compound.

Learn more: brainly.com/question/11527546

8 0

3 years ago