Oblicz masy cząsteczkowe:
K2O
P4
Mg(OH)2
Ca3(PO4)2
K2O
P4
Mg(OH)2
Ca3(PO4)2
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mK₂ = 39u * 2 = 78u
mO = 16u
mK₂O = 78+16=94u
P₄
mP₄ = 31u * 4 = 123u
Mg(OH)₂
mMg = 24u
mO₂ = 16u * 2 = 32u
mH₂ = 1u*2=2u
mMg(OH)₂ = 24+32+2=58u
Ca₃(PO₄)₂
mCa₃ = 40u*3=120u
mP₂ = 31u*2=62u
mO₈ = 16u*8=128u
mCa₃(PO₄)₂ = 120+62+128= 310u