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Question 7c W...

Question

Question 7(c)
What is the mass of:
(c) 10 moles of sodium sulphite $(N a_{2} S O_{3})$ ?

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Solution

(c) The mass of 10 moles of sodium sulphite $(N a_{2} S O_{3})$ is:
$10 \times [2 \times 23 + 32 + 3 \times 16] g = 10 \times 126 g = 1260 g$

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Similar questions

Q. Question 7(c)
What is the mass of:
(c) 10 moles of sodium sulphite

(N a_{2} S O_{3})

?

Q. What is the mass of 10 moles of sodium sulphite

(N a_{2} S O_{3})

?

What is the mass of−−

(a) 1 mole of nitrogen atoms?

(b) 4 moles of aluminium atoms (Atomic mass of aluminium = 27)?

(c) 10 moles of sodium sulphite (Na₂SO₃)?

Q. (i) Define mole. What are the two things that a mole represents?
(ii) What weight of each element is present 1.5 moles of sodium sulphite, Na₂SO₃? (Atomic masses: Na = 23u; S = 32 u; O = 16 u.)

Sodium sulphite $N a_{2} S O_{3}$ ,reacts with nitric acid $H N O_{3}$ .

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