Предмет: Химия, автор: pileups05ensigns

Обчисліть молекулярну масу: H2S, Ca(OH)2, H2SO4

Ответы

Автор ответа: Cuutee

0

Объяснение:

Mr(H2S)=2×1+ 32=2+32=34

Mr(Ca(OH)2=40+16×2+1×2=40+32+2=74

Mr(H2SO4)=1×2+32+16×4=2+32+64=98

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