There are 0.566 moles of carbonate in sodium carbonate.
<h3>CALCULATE MOLES:</h3>
- The number of moles of carbonate (CO3) in sodium carbonate (Na2CO3) can be calculated by dividing the mass of carbonate in the compound by the molar mass of the compound.
- no. of moles of CO3 = mass of CO3 ÷ molar mass of Na2CO3
- Molar mass of Na2CO3 = 23(2) + 12 + 16(3)
- = 46 + 12 + 48 = 106g/mol
- mass of CO3 = 12 + 48 = 60g
- no. of moles of CO3 = 60/106
- no. of moles of CO3 = 0.566mol
- Therefore, there are 0.566 moles of carbonate in sodium carbonate.
Learn more about number of moles at: brainly.com/question/1542846
Answer:
any atom that contains six protons is the element carbon and has the atomic number 6, regardless of how many neutrons or electrons it may have.
Explanation:
The correct balanced equation of a beta decay undergone by Mercury-203 is as follows:
203 80 Hg → 203 81 + 0 -1 e
<h3>What is beta decay?</h3>
Beta decay in radioactivity refers to the release of a beta particle by a radioactive element.
Beta particle is characterized by the possession of mass number 0 and atomic number -1.
This means that if Mercury-203 undergoes beta decay, the atomic number of the resulting isotope will be +1 as follows:
203 80 Hg → 203 81 Tl + 0 -1 e
Learn more about beta radiation at: brainly.com/question/1580990
Table slat has a low melting pointy while mercury has a high one
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Answer:
Lets the total pressure is Pt and the individual gases are designated as pH2, pCO2, pNe, pO2.
Pt = pCO2+ pNe+pO2+ pH2
285KPa = 13 KPa+ 14 KPa + 157 KPa +pH2
Now add the partial pressure of CO2, Ne and O2 which is equal to 184 KPa.
285 KPa = 184 KPa + pH2
Now subtract the individual pressure of each gas from thje total pressure.
285 KPa - 184 KPa = pH2
101 KPa = pH2
The partial pressure of hydrogen is 101 KPa.
