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elena-s [515]
3 years ago
13

63 84/ 85 86 87/ 88 891 901 911 921

Chemistry
1 answer:
Sergeeva-Olga [200]3 years ago
5 0

Answer: I have no way of answering this ,let alone give you the right answer

Explanation: You din't even tell us what the Q is

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A mixture of CuSO4 · 5H2O and MgSO4 · 7H2O is heated until all the water is lost. If 5.127 g of the mixture gives 2.817 g of the
Nadusha1986 [10]

Answer:

Let the mixture is X% by mass of CuSO

4

.5H

2

O and 100 - X % by mass of MgSO

4

.7H

2

O. 5.0 g of mixture will contain 0.05X g CuSO

4

.5H

2

O and 5.0 - 0.05X g MgSO

4

.7H

2

O

The molar masses of CuSO

4

.5H

2

O and MgSO

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2

O are 249.7 g/mol and 246.5 g/mol respectively.

The number of moles of CuSO

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0.05X

=2.00×10

−4

X moles.

Explanation:

Pls mark it as branliest answere thanks

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