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.
How many carbon atoms are in 8.44 mL of C3H6O? 1 mole = 6.02 x 1023...
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)...
How many atoms are in 2.402 g of Carbon? 1.45 x 1023 atoms 1.204 x 1023 atoms 0.200 atoms 1.204 x 10-23 atoms
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
how many atoms can be found in a mole of mercury How many atoms can be found in a mole of mercury? 6.02 x 102 atoms 201 atoms 121 x 10 atoms
How many atoms of neon are in 0.378 g of neon? Select the correct answer below 6.02 x 1023 atoms 1.87 x 10-2 atoms 2,28 x 102 atoms 1.13 x 1022 atoms
Calculate the number of moles equivalent to 5.4 x 1023 atoms of helium. Note: Be sure to use the correct number of significant figures. 0 Respond with the correct number of significant figures in scientific notation (Use Enotation and only 1 digit before decimaleg 2.55 for 2.5 x 107 Numeric Answer:
1. One mole of sodium atoms contains: a) 23 atoms b) 6.022 x 1023 grams c) 6.022 x 1023 atoms d) 60.22 x 1023 atoms
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...
QUESTION 15 Isopropyl alcohol has a formula of C3H80. How many carbon atoms are there in 1.00 g of the substance? For atomic weights you can use 12.0 g/mol for C, 1.01 g/mol for H, and 16.0 g/mol for O. Less than 2.0*1023 atoms. Between 2.0*1023 atoms and 4.0*1023 atoms. Between 4.0*1023 atoms and 6.0*1023 atoms. Between 6.0*1023 atoms and 8.0*1023 atoms. More than 8.0*1023 atoms.
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...