This Course Guides Quic College Of Agr Eng Science School Of Chemistry Physics Westville 2022 Chem1101 Chapters 3 1 (229.38 KiB) Viewed 76 times
This Course Guides Quic College Of Agr Eng Science School Of Chemistry Physics Westville 2022 Chem1101 Chapters 3 2 (450.27 KiB) Viewed 76 times
This Course Guides Quic College Of Agr Eng Science School Of Chemistry Physics Westville 2022 Chem1101 Chapters 3 3 (153.22 KiB) Viewed 76 times
This course Guides Quic College Of Agr, Eng & Science > School of Chemistry & Physics Westville 2022 CHEM1101 Chapters 3 & 4: Thur, 9 June 2022 A 215 g sample of CaCO3 is reacted with 201 g of H3PO, according to the equation 3CaCO3(s) + 2H3PO4(aq) Ca3(PO4)2(s) + 3CO₂(g) + 3H₂O(C) Molar masses (g mol-¹): CaCO3 = 100.10, H3PO4 = 98.03, Ca3(PO4)2 = 233, CO₂ = 44, H₂0 = 18 The amount of Ca in the final product after the reaction reached completion is: 50.34 %6 51.61 %6 16.78 % 17.20 %
Calculate the mass of a sample of NH3 which contains 2.70 x 1023 atoms of Hydrogen? 2.55 g 7.64 g 0.85 g 1.91 g
The order of increasing number of mols of the following prepared chemical reagents: (A) 10 000 mg NaOH; (B) 2 million molecules of NaOH; (C) 200 mL of NaOH (20 % m/v) A<B<C B<A<C B<C<A C<A<B
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