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dilnaza2003
@dilnaza2003
July 2022
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Задача 3. Определите количество вещества 1) 80г Na OH 2) 196 г H 2 SO 4 3)8 г tH2
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krioira
M(NaOH)=80(г)
M(NaOH)=23+16+1=40(г/моль)
n=m/M
n(NaOH)=80/40=2(моль)
m(H2SO4)=196(г)
M(H2SO4)=1*2+32+4*16= 98 (г/моль)
n=m/M
n(H2SO4)=196/98=2 (моль)
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dilnaza2003
А 3?
krioira
А вещество правильно какое?
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Answers & Comments
M(NaOH)=23+16+1=40(г/моль)
n=m/M
n(NaOH)=80/40=2(моль)
m(H2SO4)=196(г)
M(H2SO4)=1*2+32+4*16= 98 (г/моль)
n=m/M
n(H2SO4)=196/98=2 (моль)