KimyogarUZ


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O'ylab ko'ring

☑️ Manba: @KimyogarUZ

https://t.me/KimyogarUZ






BaCo3 ning X% parchalandi 17.6 gr massa kamaydi hosil bolgan aralashmadagi tuzning massasi gaz massasidan 2.1 gr kop.Reaksiya unumini toping
A).0.5
B)0.7
C) 0.6
D)0.8

☑️ Manba: @KimyogarUZ

https://t.me/KimyogarUZ


x gram y% y gram x% NaOH eritmalari aralashtirilganda 900 gram eritma olindi . bu eritma tarkibida 221,536*10usti23 ta O atomi bulsa dastlabki eritmalar tarkibidagi massa farqini toping.
A) 120
B) 160
C) 180
D) 220

☑️ Manba: @KimyogarUZ

https://t.me/KimyogarUZ






HNO3ning 30%li va 40 % li eritmalari mavjud. 30%li eritmada kislata massasi 40%li H2O eritmasidagi H2O massasidan 2marta katta bulsa uwbu eritmalar aralawtirilganda hosil bulgan eritma konsentratsiyasini aniqlang ?

☑️ Manba: @KimyogarUZ

https://t.me/KimyogarUZ













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