Answer:
(a)
has molar mass = 44 g mol-1
5 moles of have molar mass = 44 x 5 ==
220 g
has molar mass = 18 g mol-1
5 moles of have mass = 18 x 5g
= 90g
(b) Number of moles in 240 s Ca metal Number of moles in 240 s of Ms metal
Ratio 6 : 10
or, 3 : 5
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