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Vilka [71]
3 years ago
7

What is the molarity of ammonia if it is 1.0 ionized?

Chemistry
1 answer:
alexandr402 [8]3 years ago
3 0

Answer:

A (0.0018 M

Explanation:

Ammonia is very strong but it is good to use around the house because if u have bugs or anything that's the same stuff to use for it

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aliina [53]
It has Covalent bond.........
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Which type of substance can be separated using a centrifuge?
Vaselesa [24]
C is the best answer
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Read 2 more answers
2. The empirical formula of a molecule is CH2O. In an experiment, the molar mass of the molecule was determined to be 360.3 g/mo
Vanyuwa [196]

Answer:

The answer to your question is:

2.- C₁₂ H₂₄ O₁₂

Explanation:

2.-

Data

CH2O

molar mass = 360.3 g/mol

Molar mass of CH2O = 12 + 2 + 16 = 30g

Divide molar mass given by molar mass obtain

                   

                           x = 360.3/30

                          x = 12

Finally

                      C₁₂ H₂₄ O₁₂

Molar mass = (12 x 12) + (24 x 1) + (16 x 12) = 144 + 24 + 192 = 360 g

3.- First we need to write the complete equation of the reaction and balanced it.

Then, we need to convert the mass given to moles of each compound.

After that, we need used rule of three calculate the amount of products based on the moles of reactants given.

Finally, convert the moles to grams.

4.-

a.- It is a relation between the mass of product obtain in an experiment and the mass of a product obtain theoretically times 100.

b.-

35 g of Mg reacted with excess O2

percent yield = 90%

Actual yield = ?

Formula

Percent yield = (actual yield/theoretical yield) x 100

Equation  

                       2Mg  + O2 ⇒ 2MgO

                      48.62 g of Mg ----------------- 80.62 g of MgO

                      35g                  ------------------  x

                     x = 58 g of MgO     (Theoretical yield)

Theoretical yield = 58 g of MgO

Actual yield = percent yield x theoretical yield / 100

                    = 90 x 58 / 100

                   = 52. 23 g

5 0
3 years ago
Barium-131 is used in the detection of bone tumors. The half-life of barium-131 is approximately 12 days. How long will it take
Evgesh-ka [11]

Barium-131's radiation level won't reach 1/4 of its initial level for 24 hours.

ln[A] t = -kt + ln[A] 0 is the integrated rate rule for the first-order reaction A's products.

A straight line is produced when the natural log of [A] is plotted as a function of time since this equation has the form y = mx + b.

How is the length of a half-life determined?

The amount of time needed for the reactant concentration to drop to half its initial value is known as the half-life of a reaction. A first-order reaction's half-life is a constant that is correlated with its rate constant:

t 1/2 = 0.693/k.

To know more about rate constant, visit:

brainly.com/question/20305871

#SPJ4

5 0
1 year ago
PLEASE I NEED YOUR HELP, I WILL GIVE 10 POINTS PLEASEEEEE
Cerrena [4.2K]

Answer:

Erosion

Explanation:

3 0
2 years ago
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