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Eva8 [605]
3 years ago
14

How many moles of hypomanganous acid, H3MnO4, are contained in 22.912 g?

Chemistry
1 answer:
harkovskaia [24]3 years ago
4 0

Answer:

0.188mol

Explanation:

Using the formula as follows:

mole = mass/molar mass

Molar mass of hypomanganous acid, H3MnO4 = 1(3) + 55 + 16(4)

= 3 + 55 + 64

= 122g/mol

Mass of H3MnO4 is given as 22.912 g

Hence;

moles = 22.912 ÷ 122

number of moles = 0.188mol

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Answer:

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Explanation:

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Explanation:

1)

The amount of energy that must be absorbed by a certain substance in order to increase its temperature by \Delta T is given by the equation:

Q=mC\Delta T

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2)

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So, the energy absorbed by the block of iron is

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