Web21 apr. 2016 · 1mole atoms Ag=6.022xx1023atoms Ag Molar mass of Ag =# "107.87 g/mol"# Multiply the given atoms of silver by 1mol Ag 6.022 × 23atoms Ag. Then multiply times the molar mass of silver. 4.6 × 1024 atoms Ag × 1mol Ag 6.022 × 1023atoms Ag × 107.87g Ag 1mol Ag = 820 g Ag rounded to two significant figures Answer link Web24 jan. 2012 · Moles of CO2 in 93.0 L is 93/22.4 = 4.15 moles, the ratio of moles of CaCO3 and CO2 is 1:1, therefore 4.15 moles of CaCO3 will be required. 1 mole of CaCO3 is …
Answered: Ethanol, C₂H5OH, has a molar mass of… bartleby
WebA: One mole of any substance contains 6.022×1023 particles in it. Q: Complete the table. Element Mass Moles Number of Atoms Pt 0.0449 Fe 1.14 x 1025 Ti 23.8 mg Hg 2.05 A: Pt : Mass of Pt = moles x molar mass = 0.0449 x 195 = 8.76 g Number of atoms of Pt = moles x… Q: Complete the table. Web35. How many atoms of He gas are present in a 450 mL container at 35°C and 740 mmHg? A) 0.017 He atoms D) 1.0 x 1022 He atoms B) 0.068 He atoms E) 7.9 x 1024 He atoms C) 1.2 x 105 He atoms Ans: D 36. Calculate the density, in g/L, of SF 6 … crypsis shoenoides
CHEM 1411 STUDY-GUIDE-for-TEST-2 (CHAPTERS 4, 5 and 6)
Web9 mol to atoms = 5.41992735E+24 atoms 10 mol to atoms = 6.0221415E+24 atoms Want other units? You can do the reverse unit conversion from atoms to mol, or enter any two units below: Enter two units to convert From: To: Common amount of substance conversions mol to decimol mol to picomol mol to micromol mol to molecule mol to … http://www.drfus.com/img/Chapter-17-Exam-Questions_Worked-out-Solutions.pdf WebStudy with Quizlet and memorize flashcards containing terms like True or False: A mole of x is equal to 6.022×10^23 particles of x., Elizabeth wants to determine the number of molecules in 15 moles of a compound. What additional information does Elizabeth need?, Identify the formula that could be an empirical formula. C3H6O3 C6H12O6 C12HO12 … crypsis pronunciation