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Yuliya22 [10]
4 years ago
8

In what form do elements such as hydrogen, nitrogen, and oxygen normally occur?

Chemistry
1 answer:
irakobra [83]4 years ago
4 0
<span>Hydrogen is formed as molecule containing two atoms, just as nitrogen, and oxygen </span><span />
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A compound consisting of B, N, and H undergoes elemental analysis. The % composition by mass is found to be 40.28% B, 52.20% N,
swat32

Empirical formula is the simplest ratio of components making up a compound.

The percentage composition of each element has been given

therefore the mass present of each element in 100 g of compound is

                      B                                   N                         H

mass          40.28 g                         52.20 g                 7.53 g

number of moles  

                 40.28 g / 11 g/mol      52.20 g / 14 g/mol    7.53 g / 1 g/mol

                = 3.662 mol                  = 3.729 mol             = 7.53 mol

divide the number of moles by the least number of moles, that is 3.662

                3.662 / 3.662              3.729 / 3.662              7.53 / 3.662

               = 1.000                           = 1.018                        = 2.056

the ratio of the elements after rounding off to the nearest whole number is

B : N : H = 1 : 1 : 2

therefore empirical formula for the compound is B₁N₁H₂          

that can be written as BNH₂    

3 0
3 years ago
As the temperature of a gas in a closed container increases, what is true of the particles in the substance? (2 points)
Misha Larkins [42]
The rate of movement increases, as they get faster with more energy.
8 0
4 years ago
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KOH+H 3 PO 4 K3PO4+ H₂O<br> How to solve and answer to this question
sergij07 [2.7K]

Answer:

hmmmm

Explanation: Balance the reaction of KOH + H3PO4 = K3PO4 + H2O using this chemical equation balancer!

4 0
3 years ago
Explain how a solution can be both dilute and saturated.
svlad2 [7]
Dilution<span> is when you decrease the concentration of a </span>solution<span> by adding a solvent. As a result, if you want to </span>dilute<span> salt water, just add water. ... Add more solute until it quits dissolving. That point at which a solute quits dissolving is the point at which it's </span>saturated<span>.</span>
4 0
3 years ago
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Which one is NOT the name of a measurement system? (1 Point) International System of Units Metric System Spanish System British
Irina18 [472]

Spanish System is not the name of a measurement system

WHAT IS MEASUREMENT SYSTEM?

  • Measurement system are standard systems that are made up of collection is of units of measurement and guiding rules.

  • Measurement system relates numerical values to physical quantities. There are three major system of measurements in use, they are:

  • The international system of units (S.I units)
  • The metric system
  • The British imperial system

Hence, Spanish System is not one of the names of measurement of systems.

Learn more: brainly.com/question/13517246?referrer=searchResults

6 0
3 years ago
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