" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b) Al₂(SO₄)₃ = 2*27u + 3*32u + 12*16u = 342u
2. a) 108u = 2*14u + 16x
16x = 80 /:16
x = 5
N₂O₅
b) 70u = 5*12u + 1x
x = 10
C₅H₁₀
3. a) mEO₃ = 80u
80u = x + 3*16u
80u = 48u + x
x = 32u -- siarka [S]
SO₃
b) mH₄E₂O₇ = 4u + 2x + 7*16 = 2x + 116
178 = 2x + 116
2x = 62
x = 31 -- fosfor [P]
H₄P₂O₇