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yan [13]
3 years ago
14

How many liters of a 3.5 M solution are needed to make 500 mL of a 1.3 M solution?

Chemistry
1 answer:
Aloiza [94]3 years ago
5 0

Answer:

186 mL

Explanation:

Please see the step-by-step solution in the picture attached below.

Hope this answer can help you. Have a nice day!

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A binary compound created by reaction of bismuth and an unknown element E contains 52.07% Bi and 47.93% E by mass. If the formul
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Answer:

Atomic mass of E is 128.24

Explanation:

  • The percentage composition by mass of an element in a compound is given by dividing the mass of the element by the total mass of the compound and expressing it as a percentage.
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Mass Bismuth in the compound is (2×208.9804) = 417.96 g

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52.07% = 417.96 g

47.93% = ?

            = (47.93 × 417.96 ) ÷ 52.07 %

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Therefore; E = 384.729 ÷ 3

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The atomic mass of E is 128.24

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Which of the following situations demonstrates balanced force
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