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mr=18g
ms=Cp*mr/100%
ms=10*18/100
ms = 1,8g
mH₂SO₄=98u
mPbSO₄=303u
H₂SO₄ + Pb(NO₃)₂ ---> PbSO₄↓ + 2HNO₃
98g kwasu ---- 303g soli
1,8g kwasu ---- xg soli
x = 5,56g soli