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ehidna [41]
3 years ago
9

What is the molar mass of sodium carbonate (Na2CO3)?

Chemistry
2 answers:
professor190 [17]3 years ago
8 0
The molar madd of sodium carbonate is 105.9888g/mol
madreJ [45]3 years ago
4 0

Answer:

105.9888 g/mol

Explanation:

The molar mass of sodium carbonate is 105.9888 g/mol (grams per mole)

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Which type of circuit can have many loops for resistors (light bulbs) to attach to?
Maslowich
A circuit with many paths for the current to travel through and not simply one is classified as a parallel circuit. Here the circuit can have many loops of resistors or light bulbs that can be attached.
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3 years ago
How many grams of sodium carbonate are produced when 5.3 moles of sodium phosphate reacts with aluminum carbonate?
Korvikt [17]

Answer: There is 842.54 grams of sodium carbonate are produced when 5.3 moles of sodium phosphate reacts with aluminum carbonate.

Explanation:

Chemical equation depicting reaction between sodium phosphate and aluminum carbonate is as follows.

Al_{2}(CO_{3})_{3} + 2Na_{3}PO_{4} \rightarrow 2AlPO_{4} + 3Na_{2}CO_{3}

As this equation contains same number of atoms on both reactant and product side. So, this equation is a balanced equation.

According to the equation, 2 moles of sodium phosphate is giving 3 moles of sodium carbonate.

Therefore, sodium carbonate formed by 5.3 moles of sodium phosphate is as follows.

\frac{3}{2} \times 5.3 mol\\= 7.95 mol

As number of moles is the mass of substance divided by its molar mass. So, mass of sodium carbonate ( molar mass = 105.98 g/mol) is as follows.

No. of moles = \frac{mass}{molar mass}\\7.95 mol = \frac{mass}{105.98 g/mol}\\mass = 842.54 g

Thus, we can conclude that there is 842.54 grams of sodium carbonate are produced when 5.3 moles of sodium phosphate reacts with aluminum carbonate.

8 0
2 years ago
The breaking and forming of bonds between atoms in substances results in changes in the _______ contained in the substances.
photoshop1234 [79]

Answer:

Electrons

Explanation:

The breaking and forming of bonds between atoms in substances results in changes in the number of electrons in the substance.

  • Atoms combined in order to share, gain or lose electrons for it to be stable.
  • The noble gases have a set up configuration which makes them stable.
  • All atom tend to mimic the noble gases.
6 0
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A flask containing 9.65 mL of liquid has a mass of 164.5g. The empty flask has a mass of 155.9 g. Calculate the density of the l
zlopas [31]

155.9

Explanation:

A flask containing 9.65 mL of liquid has a mass of 164.5g. The empty flask has a mass of 155.9

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2 years ago
Chemical energy sources are often portable and provide large amounts of energy. Fossil fuels are one kind of chemical energy sou
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I’m not really sure sorry
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3 years ago
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