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Dennis_Churaev [7]
3 years ago
11

During the analysis, 0.00905 mol H2O is formed. Calculate the amount (mol) H in 0.00905 mol H2O.

Chemistry
1 answer:
sergeinik [125]3 years ago
5 0

Answer:

0.0181 mol H

Explanation:

Step 1: Given data

Moles of water (H₂O) formed during the analysis: 0.00905 mol H₂O

Step 2: Calculate the amount (mol) H in 0.00905 mol H₂O

According to the chemical formula of water, the molar ratio of water to hydrogen is 1:2, that is, there are 2 moles of H per 1 mole of H₂O. We will use this conversion factor to calculate the moles of H in 0.00905 moles of H₂O.

0.00905 mol H₂O × (2 mol H/1 mol H₂O) = 0.0181 mol H

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mote1985 [20]

Answer:

1.728268... M

Explanation:

molar mass of NaCl: 58

101/58.44 = 1.728268...

Molarity = moles/Liter

so Molarity equals...

1.728268.../1

8 0
2 years ago
Describe how atoms of a liquid appear compared to a gas
Andrews [41]
Gas are well separated with no regular arrangement. liquid are close together with no regular arrangement. solid are tightly packed, usually in a regular pattern.
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Which of the following is not equal to 120 centimeters? 0.0012 kilometers (km) 0.012 dekameters (dkm) 1.2 meters (m) 1200 millim
Masteriza [31]
Dekametres
120/100
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7 0
4 years ago
Read 2 more answers
After two half-lives, how much of the original material has decayed? 25 percent 50 percent 75 percent 100 percent
RideAnS [48]

The original material has decayed 75%

<h3>Further explanation</h3>

Given

two half-life

Required

The decayed sample

Solution

General formulas used in decay:  

\large{\boxed{\bold{N_t=N_0(\dfrac{1}{2})^{t/t\frac{1}{2} }}}

t = duration of decay  

t 1/2 = half-life  

N₀ = the number of initial radioactive atoms  

Nt = the number of radioactive atoms left after decaying during T time

t = 2 x t 1/2

Input the value :

\tt \dfrac{Nt}{No}=\dfrac{1}{2}^2=\dfrac{1}{4}=25\%  

The amount of Nt = 25% No

8 0
3 years ago
What makes metals so conductive and malleable?
Assoli18 [71]

Metallic bonds

Explanation:

The physical properties of metals such as malleability, ductility, electrical and thermal conductivity, luster e.t.c is controlled by metallic bonds.

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  • The formation of this bond type is favored by large atomic radius, low ionization energy and a large number of electrons in the valence shell.
  • Metallic bond is actually an attraction between the positive nuclei of all closely packed atoms in the lattice and the electron cloud jointly formed by all atoms losing their outermost shell electrons.

Learn more:

Bonds brainly.com/question/6071838

#learnwithBrainly

8 0
3 years ago
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