How many molecules are in 1.500 g of riboflavin, C17H20N4O6?
A) 4.167 x 10-22
B) 2.400 x 1021
C) 1.066 x 1021
D) 1.067 x 1024
E) 3.400 x 1026
How many molecules are in 1.500 g of riboflavin, C17H20N4O6? A) 4.167 x 10-22 B) 2.400...
7. How many molecules are present in 0.340g of HCI? A. 1.78 X 10-22 B. 6.46 X 1025 C. 5.61 X 1021 D. 2.06 X 10-23
Question 19 (1 point) How many molecules of CH4 are in 48.2 g of this compound? OA) 2.00 x 1023 OB) 1.81 x 1024 C) 5.00 10-24 D) 4.00 E) 4.64 x 1026
How many molecules are in 6.40 g BR2? A. 1.28 x10^22 B. 2.41 x 10^22 C. 1.50 x 10^25 D. 2.83 x 10^25 E. None of above.
Question 19 (1 point) How many molecules of CH4 are in 48.2 g of this compound? OA) 2.00 x 1023 OB) 1.81 x 1024 C) 5.00 10-24 D) 4.00 E) 4.64 x 1026
explanation please 8) How many molecules are present in 4.25 mol of CC14? A) 9.26 x 1024 molecules (B)2.56 x 1024 molecules C) 653.69 molecules D) 153.81 molecules E) 3.69 x 10-23 molecules 9) How many molecules are there in 3.00 moles of NH3? A) 1.00 molecules B) 3.00 molecules C) 17.00 molecules D) 1.20 x 1024 molecules E1.81x 1024 molecules 10) How many molecules are present in 3.25 mol of C2H60? A) 3.25 molecules B) 46.0 molecules C) 1.85...
A) 3.91 x 1023 molecules B) 1.09 x 1021 molecules C) 1.96 * 1023 molecules D) 58.57 molecules E) 1.80 x 10-3 molecules 38) Which of the choices is the correctly balanced form of the following equation? C6H14(%) + O2(g) + CO2(g) + H20(1) A) 2C6H14() + 1902(g) 12C02(g) + 14H20(1) B) C12H28() + 380(g) 12C02(g) + 14H20(1) C) C6H14(4) + 190(g) 6CO2(g) + 7H2007 D) C6H14) + 1302(g) → 6CO2(g) + 7H20(1) E) C6H14() + 1902(g) 6CO2(g) + 7H20(1)...
locs are present in a sample of HCl with a mass of 3.65g? 4. How many moles are present in a sa A. 3.46 moles B. 0.100 moles C. 2.19 X 1024 moles D. 10.0 moles 5. How many moles are present in 32.46g of AgNO3? A. 0.191 moles B. 5520 moles C. 5.23 moles D. 32.5 moles 6. How many molecules are present in 18.0g of MgSO4? A. 6.02 X 1023 B. 3.60 X 10-21 C. 4.03 X 1024...
34. How many molecules of O2 are there in 6.8 mol of O2? a. 218 b. 1.1 x 10-23 C. 4.1 x 1024 d. 4.71 e. 8.9 x 1022
How many molecules of CO2 are there in 132 g of CO2? 1.81 x 1024 2.00 x 1023 3.00 x 1024 none of these
Question 20 How many molecules are in a tablespoon (12.6 g) of sugar, C12H22011? 8.6 x 1020 2.2 x 1022 1.5 × 1022 7.4 × 1021