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Norma-Jean [14]
4 years ago
11

Which is a diatomic molecule? A) Ar B) CO C) CO2 D) NaCl

Chemistry
2 answers:
Alenkinab [10]4 years ago
4 0

Answer:

I think it is c)co2

Explanation:

salantis [7]4 years ago
3 0
B) CO Carbon Monoxide
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3 years ago
If 251 mL of 6.0 M H2SO4 is diluted to 500. mL, what is its new molarity?
kolezko [41]

Answer:

  • <u>3.0M</u>

Explanation:

The dilution formula is:

       M_1\times V_1=M_2\times V_2

Where M₁ and M₂ are the molar concentrations and V₁ and V₂ are the volumes of the concentrated and the diluted solutions.

Substitute:

  • M₁ = <em>6.0M</em>
  • M₂ = unknown
  • V₁ = <em>251 mL</em>
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         6.0M\times 251ml=M_2\times 500.ml

Clear M₂ and compute:

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