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alexandr1967 [171]
3 years ago
5

How many atoms are in one molecule of baking soda, NaHCO3?

Chemistry
1 answer:
vladimir2022 [97]3 years ago
6 0

Answer: 6 atoms in total

Explanation:

It has one sodium atom, one hydrogen atom, one carbon atom, and three oxygen atoms.

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Class material don't interact please
bagirrra123 [75]

A 0.00143 M  concentration of MnO4^- is not a reasonable solution .

<h3>Number of moles of carbonate</h3>

The ions left in solution are Na^+ and NO3^-

Number of moles of calcium nitrate  = 100/1000 L × 1 = 0.1 moles

Since;

1 mole of sodium carbonate reacts with 1 mole of calcium nitrate  then 0.1 moles of sodium carbonate were used.

<h3>Conductivity of filtrate</h3>

The claim of the student that the concentration of sodium carbonate is too low is wrong because the value was calculated from concentration  and volume of calcium nitrate  and not using the precipitate. If the filtrate is tested for conductivity, it will be found to conduct electricity because it contains sodium and NO3 ions.

2) In the reaction as shown, the MnO4^- ion was reduced.

The initial volume is 3.4 mL while the final volume is 29.6 mL.

Number of moles of MnO4^- ion = (29.6 mL - 3.4 mL)/1000 × 0.0235 M = 0.0006157 moles

<h3>The calculations are performed as follows</h3>

  • If 2 moles of MnO4^- reacted with 5 moles of acid

0.0006157 moles of MnO4^- reacted with  0.0006157 moles ×  5 moles/ 2 moles

= 0.0015 moles

  • In this case, number of moles of acid = 0.139 g/90 g/mol = 0.0015 moles

Number of moles of MnO4^-  = 0.00143 M × (29.6 mL - 3.4 mL)/1000

= 0.000037 moles

  • If 2 moles of MnO4^- reacts with 5 moles of acid

0.000037 moles of MnO4^- reacts with 0.000037 moles × 5 moles/ 2 moles

= 0.000093 moles

  • Hence, this is not a reasonable amount of solution.

Learn more about MnO4^- : brainly.com/question/10887629

8 0
3 years ago
The sidewalk outside is covered in ice what kind of shoes should i wear to walk on the ice explane
babunello [35]

Answer:

Well you should wear boots.

Explanation:

Boots because most winterized boots have tread on the bottom, allowing you to grip  the ice better.  They will help prevent you from slipping , and are even good for walking up slippery hills.

4 0
3 years ago
All the mixture are harmful for us. is this statement true? justify with two examples​
Taya2010 [7]

Answer:

no.it is false.some are useful.like mixture of h2 and O 2 to form water.

3 0
2 years ago
Read 2 more answers
What chemical property must argon have to make it a suitable choice for light bulbs?
Sedbober [7]
Argon is a suitable choice for light bulbs because it is inert. Compared to a reactive gas like oxygen, the metal filimant would burn up in a reactive environment, which is why a noble gas is used.
7 0
3 years ago
How many electrons will a neutral atom of carbon have if it’s nucleus has 6 protons and 8 neutrons?
Alexeev081 [22]

Answer:

6

Explanation:

number of protons equal number of electrons for the atom to be stable

8 0
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