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AlladinOne [14]
3 years ago
14

An boron isotope consist of 5 protons 5 electrons and 6 neutrons its mass number is ?

Chemistry
1 answer:
vichka [17]3 years ago
8 0
10.811 atomic mass units
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What is the mass of the ethanol that exactly fills a 200.0 mL container? The density of ethanol is 0.8 g/mL. please help
Naddik [55]
160.0g

Mass =volume x density = 200.0 mL x 0.8 g/mL= 160.0 g
7 0
2 years ago
Write the neutralization equation that would take place in the stomach with two different bases used in antacid products
Aleksandr [31]
In order for the human being stomach to digest food, it uses hydrochloric acid (HCl). This is a very effective an dstrong acid that can burn the lining of the stomach and even cause ulcer if this lining does not contain enough mucus.

Back on track, a reaction between an acid and a base usually yields a salt and water. The two bases that we will use in the reaction with HCl are Mg(OH)2 and CaCO3 (note that (OH)- and (CO3)- both define basis)
MAKE SURE TO BALANCE YOU EQUATION, WHERE THE NUMBER OF MOLECULES ENTERING SHOULD BE EQUAL TO THE NUMBER OF MOLECULES RESULTING.

Equation #1:
<span>2HCl + Mg(OH)2 --> 2H2O + MgCl2 
MgCl2 is the salt
</span>Equation#2:
<span>2HCl + CaCO3 --> H2O + CO2 + CaCl2</span> 
CaCl2 is the salt
Carbon dioxide is formed as a result of the additional carbon carbon, the reaction ideally outputs H2CO3 which is a very weak base the breaks into water and CO2
5 0
3 years ago
To make sure that the white powder was all sodium chloride and not mixed with sodium hydrogen carbonate, would you need to add a
TiliK225 [7]

Answer: i hope you thought this was an actual answer

Explanation:

6 0
2 years ago
Can anyone help me with this please​
ddd [48]

Answer:

5 = particle 7= atoms

Explanation:

i renever easily

4 0
3 years ago
Read 2 more answers
What are the [H₃O⁺] and the pH of a buffer that consists of 0.55 M HNO₂ and 0.75 M KNO₂ (Kₐ of HNO₂ = 7.1X10⁻⁴)?
xxTIMURxx [149]

The pH of the buffer that consists of 0.55 M HNO₂ is 3.3, which is acidic.

<h3>What is the common name for 0.55 M HNO₂?</h3>

The common name for 0.55 M HNO₂ is Nitrous acid. Only in solution, the gas phase, and in the form of nitrite salts is nitrous acid, a weak and monoprotic acid, known to science. Amines are converted into diazonium salts using nitrous acid. To produce azo colors, azo coupling processes use the resultant diazonium salts as reagents. A nitrogen oxoacid is a nitrous acid. It is a nitrite's conjugate acid. To treat cyanide poisoning, sodium thiosulfate is combined intravenously with nitrous acid (as sodium nitrite).

To learn more about Nitrous acid, visit:

brainly.com/question/17055219

#SPJ4

5 0
1 year ago
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