2 years ago

Can someone help me Balance chemical equations please

1 answer:

4 0

2NaClO3 = 2NaCl + 3O2
Hopes this helps <33

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Lisa [10]

Answer:

I dont care I want pionts

5 0

3 years ago

matrenka [14]

The average atomic mass of Sn is 118.71 g/mol

the percentage of heaviest Sn is 5.80%

the given mass of Sn is 82g

The total moles of Sn will be = mass / atomic mass = 82/118.71=0.691

Total atoms of Sn in 82g = $6.023X10^{23}X0.691=4.16X10^{23}$

the percentage of heaviest Sn is 5.80%

So the total atoms of $Sn^{124}$ = 5.80% X $4.16X10^{23}$

Total atoms of $Sn^{124}$ = $2.41X10^{22}$ atoms

the mass of $Sn^{124}$ will be = $\frac{2.41X10^{22}X124}{6.023X10^{23}}=4.96g$

5 0

3 years ago

exis [7]

C) It determines the concentration of an unknown substance in neutralization reactions.

3 0

3 years ago

Over [174]

Release less energy than it uses

6 0

3 years ago

Wittaler [7]

The reagents for BaCO₃ is

BaO and CO₂

<em><u>Explanation</u></em>

Reagent is a substance that bring about a chemical reaction when added to a system.

Some reagent may be added to see if a reaction has occurred.

BaO and Co₂ are reagent since they react to produce BaCO₃ as below

BaO(s) + CO₂(g) → BaCO3(s)

6 0

3 years ago