Webcombine with 1 mole of A to give 1 mole of X, the weight of 1 mole of X is: (A) 47.5 gm (B) 74 gm (C*) 154 gm (D) 149 gm Q6. Two flask of equal volumes are evacuated, then one is filled with gas A and other with gas B at the same temperature and pressure. The weight of gas B at the same temperature and pressure. The weight of gas WebCalculate the number of molecules in: a. 6.4 g of SO2 b. 1.5 moles of hydrogen chloride; How many moles of hydrogen atoms are in 5.0 x 1025 molecules of H2O? How many moles of hydrogen are in 4.97 moles of (NH4)2S? How many moles of NH_3 are in a 10.45 g sample? How many moles of ammonium ions are in 5.393 g of ammonium carbonate?

Mole-Mass and Mass-Mass Calculations – Introductory Chemistry …

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10.2: Conversions Between Moles and Atoms - Chemistry LibreTexts

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