7.4 Calculate each of the following: a number of Li atoms in 4.5 moles of Li...
1 and 2 please.
COURSE NUMBER: CHEM 1111 Chemistry: Chemical Quantities and Reactions Spring 2020 Homework Set 5 1. Calculate each of the following: a. number of Li atoms in 4.5 moles of Li b. number of CO, molecules in 0.0180 mole of CO, c. moles of Cu in 7.8 x 1021 atoms of Cu d. moles of C,H, in 3.75 X 102 molecules of CH6 2. Calculate each of the following quantities in 0.185 mole of C6H 40: a....
12. Calculate the number of moles containing each of the following (a) 1.00 x 1022 atoms of cobalt, Co (b) 2.00 x 1023 molecules of carbon dioxide, CO2 (c) 3.00 x 1024 formula units of cobalt(II) carbonate, COCO,
Given the following stoichiometric information for a generic reaction, calculate the number of moles of C used in the reaction. 0.0000555 mole 0.0180 mole 0.000555 mole 0.00450 mole
1. Calculate the number of moles of magnesium, chlorine, and
oxygen atoms in 3.80 moles of magnesium perchlorate, Mg(ClO4)2.
Express the number of moles of Mg, Cl, and O atoms numerically,
separated by commas.
2. A sample of propane, C3H8, contains 10.4 moles of carbon
atoms. How many total moles of atoms does the sample contain?
Express the total number of moles of carbon and hydrogen
numerically.
One molecule of ozone, O3, contains three oxygen atoms. Similarly, 1 mole of...
1) Calculate the number of C atoms in 0.334 mole of C. Nc=______atoms of C 2) Calculate the number of SO2 molecules in 2.73 moles of SO2. NSO2=______ molecules of SO2 3) Calculate the moles of Fe in 2.82x1022 atoms of Fe. Nfe=_______ mole of Fe 4) Calculate the moles of C2H6O in 3.11x1024 molecules of C2H6O. nC2H6O=_______ moles of C2H6O
Part A Calculate the number of C atoms in 0.987 mole of C. I A¢* o 2 ? Nc = atoms of C Submit Request Answer Part B Calculate the number of SO2 molecules in 3.11 moles of SO2. IVO AQ * O ? Nso = molecules of SO2 Submit Request Answer Part Calculate the moles of Fe in 8.93x1022 atoms of Fe. IVO AO R O 2 ? nFe = mole of Fe Submit Request Answer Part D Calculate...
Can someone please help me? Thanks! Problem 7 a. Calculate the number of C atoms in 0.751 mole of C. b. Calculate the number of SO2 molecules in 4.36 moles of SO2. c. Calculate the moles of Fe in 5.66x1022 atoms of Fe. d. Calculate the moles of C2H6O in 2.07x1024 molecules of C2H6O.
6. Calculate each of the following: a. the number of C atoms in 0.5 mol of C b. the number of SO, molecules in 1.28 mol of SO2 c. the moles of Fe in a sample containing 5.22 x10atoms of Fe 7. Calculate the molar mass for each of the following (use the periodic table for the atomic mass): H2SO4 Fe:O
I need help
Sewani 1151 <EC Ch 6-7 Problem 7.30 Part A Calculate the number of Li atoms in 5.6 moles of Li Express your answer using two significant figures. νοΙ ΑΣφ ? NI; = 3.4 atoms of Li Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Part B Calculate the number of CO2 molecules in 2.25x 10-2 mole of CO2 Express your answer using three significant figures. EVO AED ? Noo;- molecules of co Type...
How many atoms of copper (Cu) are contained in 1.75 moles of copper atoms? How many moles of aluminum ions (Al 3+) are present in 7.25 x 1025 Al 3+ ions? How many moles of aspirin contain 8.62 x 10 28 molecules? How many sugar molecules are contained in 0.475 mole of sugar? What is the molar mass of nicotine (C10H14N2), the toxic and addictive stimulant in tobacco? In this balanced chemical equation, 2 C18H30O2 + 49O2 à 36 CO2...