0.25 points Question 2 67 CU %= whole A typical sample of brass is 67% copper...

Question

Question

Answer 1

Answer #1

2.

Correct option: 0.50 mol

Explanation:

Given, mass of Cu = 67 g

Thus,

67 % Cu = 67 g of Cu

Therefore, 33 % Zn = 33 g of Zn

Molar mass of Zn = 65.38 g/mol

Hence, moles of Zn dissolved = mass of Zn/molar mass of Zn

= 33 g/65.38 g/mol

= 0.50 mol

Answer 2

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