Calculate the number of hydrogen atoms in 39.6 g of ammonium sulphate
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molecular mass of ammonium sulphate = 14 X 2 + 8 X 1 +32 + 4 X 16 = 132
GIVEN MASS = 39.6 g
no. of moles = given mass/molecular mass
= 39.6/132 = 0.3
no of molecules = no. of moles x 6.022 x 1023= 0.3 x 6.022 x1023
= 1.8066 x1023
no. of H atoms = 8 X 1.8066 x1023= 14.4528 X1023
GIVEN MASS = 39.6 g
no. of moles = given mass/molecular mass
= 39.6/132 = 0.3
no of molecules = no. of moles x 6.022 x 1023= 0.3 x 6.022 x1023
= 1.8066 x1023
no. of H atoms = 8 X 1.8066 x1023= 14.4528 X1023
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