how many moles of NaCl are present in 20 gm of the substance
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Answered by
21
20/58.5
here the 58.5 is the weight of the nacl so and ans is 0.341 mark as brainlist
here the 58.5 is the weight of the nacl so and ans is 0.341 mark as brainlist
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Answered by
33
mole=given mass/molar mass
so first of all we have to the molar mass of NaCl=22 .99+35.45
= 58.44gm
now 20/58.44
so no. of moles are 0.342 mol
so first of all we have to the molar mass of NaCl=22 .99+35.45
= 58.44gm
now 20/58.44
so no. of moles are 0.342 mol
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