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Mice21 [21]
3 years ago
7

How many formula units in 3.56 g magnesium phosphate

Chemistry
1 answer:
Rudik [331]3 years ago
6 0

Answer:

1.5 of mag 1 phos 1 oxygen

Explanation:

hope this helps well sorry i don't really know lol i tried

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Answer: 6.38 moles of O_2 are needed to react with 2.55 mol of C_2H_2

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The balanced chemical reaction for the combustion of ethyne is:

2C_2H_2+5O_2\rightarrow 4CO_2+2H_2O

According to stoichiometry:

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Thus 2.55 mol of C_2H_2 require = \frac{5}{2}\times 2.55=6.38 moles of O_2

Thus 6.38 moles of O_2 are needed to react with 2.55 mol of C_2H_2

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