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3 years ago

What is the formula for the polyatomic ion and name the following compoundSn(NO2)2

2 answers:

8 0

Ok so i was writing a big àss explanation but i realized im not that good at explaining as i thought i was so plz just watch these vids by tyler dewitt. my awesome teacher recommended these videos and tyler dewitt's also a really good teacher and if you watch his vids you'll really master this topic:

Writing Ionic Formula: https://youtu.be/URc75hoKGLY

Naming Ionic Compounds: https://youtu.be/mKo72RnN37E

Writing Formulas with Polyatomic Ions: https://youtu.be/p9iQ5Qn42DM

Writing Ionic Formulas with Transition Metals: https://youtu.be/H4nfE8gRX7Q

Naming Ionic Compounds with Transition Metals Introduction: https://youtu.be/H4nfE8gRX7Q

*btw the pic i attached will be very useful to you except when youre dealing with transition metals and also these links will also help you. the professor dave explains videos about naming ionic compounds just didnt help me but tyler dewitt really did so if you watch his videos you'll be fine

garri49 [273]3 years ago

3 0

There are 9 polyatomic ions so which one and the compound “Sn(NO2)2 is Tin(ll) Nitrite

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A mixture of hydrogen and argon gases is maintained in a 6.47 L flask at a pressure of 3.43 atm and a temperature of 85 °C. If t

11Alexandr11 [23.1K]

Answer:

The mixture contains 8.23 g of Ar

Explanation:

Let's solve this with the Ideal Gases Law

Total pressure of a mixture = (Total moles . R . T) / V

We convert T° from °C to K → 85°C + 273 = 358K

3.43 atm = (Moles . 0.082 L.atm/mol.K . 358K) / 6.47L

(3.43 atm . 6.47L) / (0.082 L.atm/mol.K . 358K) = Moles

0.756= Total moles from the mixture

Moles of Ar + Moles of H₂ = 0.756 moles

Moles of Ar + 1.10 g / 2g/mol = 0.756 moles

Moles of Ar = 0.756 moles - 0.55 moles H₂ → 0.206

We convert the moles to g → 0.206 mol . 39.95 g / 1 mol = 8.23 g

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2 years ago

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I think it’s b but I’m not sure

suter [353]

Yes that’s correct it is B

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3 years ago

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2 years ago

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2 years ago

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. When the flashbulb is set off, a chemical reaction takes place in

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2 years ago

What is the formula for the polyatomic ion and name the following compoundSn(NO2)2​

What is the formula for the polyatomic ion and name the following compoundSn(NO2)2