NaI = (22.98 + 126.90) = 149.88 amu
CCl4 = [12.01 + 4 (35.4530] = 153.82 amu
Na3PO4 = [3(22.98) + 30.97 + 4(15.9994)] = 163.90
UF6 = [238.028 + 6 (18.998)] = 352.016
What is the formula weights of the following? Nal amu CC_4 amu NA_3PO_4 amu UF_6 amu...
2. What are the formula weights of (a) KBr and (b)PbCO 3 in (amu) 2. What are the formula weights of (a) KBr and (b) PbCO3 in (amu) OFW of KBr - 207.00 amu ; FW of PbCO3 - 267.21 amu OFW of KBr - 119.00 amu :FW of PbCO, -267.21 amu OFW of KBr - 77.54 amu :FW of PCO, - 167.21 amu OFW of KBr = 19.00 amu :FW of PHCO3 = 67.12 amu
How many moles (of molecules or formula units) are in each sample? 71.04 g CF2Cl2 26.7 kg Fe (NO3) 2 0.1170 g C8H18 121 kg CaO
100 Relative intensity m/z (amu) out of 23 Part 1 (0.5 point) El See Period What is the molecular formula for the hydrocarbon in the mass spectrum above? x x Part 2 (0.5 point) If we have 10 moles of the hydrocarbon (from the mass spectrum) above, how many moles of water will be produced assuming the reaction goes to completion? The reaction occurs only in the presence of the hydrocarbon and excess oxygen.
Question 7 5 pts What is the formula weight of KCI? 74.55 amu 66.42 amu 0 36.00 amu 1386 amu
1. What is the formula mass of Al(NO2)3? A. 72.99 amu B. 165.01 amu C. 56.99 amu D. None of these choices is correct E. 120.99 amu
Q7. What is the formula weight of Fe(NH (SO) 6H,O? a) 392 amu b) 384 amu c 412 amu 436amu d) 376 amu e
What is the formula weight for iron(III) oxide, in amu?
1. The molecule carbon dioxide has the molecular formula CO2. a. How many carbon and oxygen atoms does each carbon dioxide molecule contain? b. Find the average mass of one carbon dioxide molecule in amu. Show how you reached your answer. C. How many moles of carbon atoms are there in 1 mole of carbon dioxide? d. How many moles of oxygen atoms are there in 1 mole of carbon dioxide? e. Find the mass of one mole of carbon...
21. What are the formula masses of water, H20, propene C3Hg; and 2-propanol, C3H2O? amu = grams 1. A) water: 18 amu; propene: 40 amu; 2-propanol: 58 amu 2. B) water: 18 amu; propene: 42 amu; 2-propanol: 62 amu 3. C) water: 18 amu; propene: 44 amu; 2-propanol: 60 amu 4. D) water: 18 amu; propene: 44 amu; 2-propanol: 64 amu
a)The molecular formula of fructose is C6H12O6 how many moles of fructose are in a sample containing 1.43x10^24 molecules of fructose? b)The molecular formula of fructose is C6H12O6 how many moles of carbon are in a sample containing 1.43x10^24 molecules of fructose? c) The molecular formula of fructose is C6H12O6 how many atoms of carbon are in a sample containing 6.23 moles of fructose? d)The molecular formula of fructose is C6H12O6 how many moles of fructose are in a 10.00g sample...