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Montano1993 [528]
3 years ago
10

If I write 6 PbCO3, how many PbCO3 do I have?please help me ​

Chemistry
1 answer:
ASHA 777 [7]3 years ago
3 0

Answer:

you have 6 pbco3 ok

fgbhh

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How many grams of NaOH do you need to dissolve to make 1.55 Liters of a 1.55 Molar solution?
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Answer:

Mass = 96g

Explanation:

Molarity = number of moles/volume of solvent

According to the provided information, volume = 1.55L, Molarity = 1.55M

number of moles (n) = molarity × volume

n = 1.55 × 1.55

n = 2.4025

n = 2.40mol

For NaOH, molar mass = 23 + 16 + 1 = 40g/mol

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Mass = 96g

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Explanation:

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Answer:

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Explanation:

<em>0.0013μmol, Calculate concentration in mol/L</em>

<em />

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<em>Liters solution:</em>

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That means concentration in mol/L is:

1.3x10⁻⁹ moles / 0.1L =

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