5. A 12.01g bag of jelly bellies contains 6.02 x 1023 jelly bellies. What is the...
A 10.0-g sample of silicon contains _____ silicon atoms? O a) 6.02 x 1023 O b) 2.14 x 1023 O c) 0.356 od) 1.69 x 1026 e) 6.02 x 1024
moles of C. 6) 0.400 mole of sucrose, C12H22011. contains A) 12 B) 6.02 x 1023 C) 5.02 x 1022 D) 2.89 x 1024 E) 4.80 7) How many moles of carbon atoms are there in 0.500 mole of C2H6? A) 0.500 mole B) 1.00 mole C) 3.00 moles D) 6.02 x 1023 moles E) 4.00 moles 8) Calculate the molar mass of magnesium chloride, Mg (12. A) 24.31 g/mole B) 95.21 g/mole C) 125.9 g/mole D) 59.76 g/mole E)...
Two bags contain colored jelly beans. Bag 1 contains five red and three black, and bag 2 contains seven red and three black. A jelly bean is selected at random from each bag. What is the probability to have one back and one red?
Question 5 One mole of something consists of units of that substance. 6.02 X 1023 ] 1.66 X 1024 ] 1.008 ] 32.00 12.01
Chapter-18 Electric Forces and Electric Fields 1. One mole of a substance contains 6.02 x 1023 protons and an equal number of electrons. If the protons could somehow be separated from the electrons and placed in very small, individual containers separated by a million meters, what would be the magnitude of the electrostatic force exerted by one box on the other? A) 8.7 x 103N B) 9.5 x 104N C) 2.2 x 105N D) 8.4 x 107 N 1.6x108 N...
3. Avogadro's law states that a. 1 liter of any gas contains 6.02 x 1023 gas molecules. b. the volume of a gas is directly proportional to its temperature. c. the gas constant equals 0.0821 L atm/(mol K) for all ideal gases. d. the volume of a gas must always be a constant. e. equal volumes of all gases at the same pressure and temperature contain an equal number of moles.
check if correct. Converting 26 pieces of M&M's to
moles
1) A typical bag of peanut M&M's candy contains 26 pieces. How many moles of M&M's is this? A) 6.02 x 1023 B) 1.6 x 1025 C) 4.3 x 10-23 D) 5.3 x 10-23 E) 1.7 x 10-24 C) 4.3 x 10 GOU ? 43 2010
What is the mass in Gigagrams(Gg) of 7.476 moles of potatoes? NA =6.02*1023 particles/mole. Potato=750g.
O e 1.78 x 10-15 molecules QUESTION 9 A mole of a chemical substance represents .6.02 x 1023 chemical particles of the substance b. the mass of the substance that will combine with 100.0 g of oxygen 0 6.02 x 10-23 grams of the substance d. the mass of the substance that will combine with 12.0 g of carbon QUESTION 10 When the following equation is balanced using the smallest possible integers, what is the number in front of the...
How many carbon atoms are in 8.44 mL of C3H6O? 1 mole = 6.02 x 1023 atoms 1 mL = 0.898 g The answer has to be in the correct significant figures. Not sure how to do this.