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CBSE Class 9 Answered

A teacher asks a science student to bring 20 moles of common salt and 20 moles of iron nail from a groceiry shop are both the bags equaly ? if not when ?
Asked by rinkuhira128 | 19 Mar, 2019, 09:27: PM
answered-by-expert Expert Answer
N o comma space t h e space t w o space b a g s space d o n o t space w e i g h space e q u a l space b e c a u s e comma

20 space m o l e s space o f space c o m m o n space s a l t space left parenthesis N a C l right parenthesis space equals space left parenthesis 23 space plus space 35.5 right parenthesis space cross times space 20 space g r a m s space equals space 58.5 space cross times space 20 space g r a m s space equals space 1170 g space equals space 1.170 space K g

a n d space 20 space m o l e s space o f space i r o n space n a i l space equals space 20 space cross times space 56 space g r a m s space equals space 1120 g space equals space 1.120 space K g

T h u s space b a g space w i t h space N a c l space w i l l space b e space h e a v i e r space a s space c o m p a r e d space w i t h space i r o n space n a i l s.
Answered by Sumit Chakrapani | 19 Mar, 2019, 11:08: PM
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