Solve all the 3questions in the above attached image PLZ .. in detail
Srishu Ys , 7 Years ago
Grade 10
Physical Chemistry> Solve all the 3questions in the above att...
2 AnswersKshitej Malhotra
Last Activity: 7 Years ago
Q1:-Calculations:Formula: CaSO4.7H2OMolar Mass: 262.2396 g/mol 1g=3.81330660968061E-03 molQ2:- Mili gram :-39922.5Q3:-olwt cacl2 is 111.1gms. 10mmole = 0.01 mole 1 mole has 111.1gms 0.01 moles -- (?) = 1.111 gms u have 1.111 gms per liter means 1000 ml. 1000 ml has 1.111 gms 1 ml has (?) = 0.001 gms
Vikas TU
Last Activity: 7 Years ago
Weight of calcium = 40 , sulfur = 32 , oxygen = 15 , hydrogen = 1 , by including all – we get 262.2 gm/mol
This would be the only number of grams found for CaSO4.7H2O
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