Answers

2016-03-15T19:57:35+05:30
No of particles = moles x avagadro number
molar mass of HCL = 1x1+35.5x1 = 36.5
given mass =  17.75 g
moles = 17.75/36.5 = 0.48 moles
 

particles = 0.48 x 6.022 x  10^{23} = 2.89 x 10^23

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