what is the mass (grams) of 6.022 x 1023 potassium atoms? - How many sodium atoms...
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
What is the mass in grams of: 12.044 × 1023 sodium atoms? 15.0 × 1023 sodium atoms?
4. Find the mass, in grams, of 4.21 x 1023 molecules of N2 5. How many particles are there in 2.34 g of a molecular compound with a gram molecular mass of 233 g? T2 6. Aspartame is an artificial sweetener that is 160 times sweeter than sucrose (table sugar) when iissolved in water. It is marketed by G.D. Searle as Nutra Sweet. The molecular formula of aspartame is C14H18N205 a) Calculate the gram-formula-mass of aspartame. To ed b) How...
QUESTION 26 What is the mass, in grams, of one arsenic atom (NA- 6.022 x 1023 mol-1? O 5.48 x 10-23g O 33.0 g O 74.9 g O 1.24 x 10-22 g O 804 x 1021 g
3. What is the mass in grams of 6.022 x 1023 molecules of CO2? A. 22 g B. 44 g C. 668 D. 28 g
What is the mass of 6.022 x 1023 compounds of NH4AI(SO4)2·12H2O?
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
Use the References to access important values if needed for this question. How many ATOMS of phosphorus are present in 1.38 grams of tetraphosphorus decaoxide? atoms of phosphorus. 2. How many GRAMS of oxygen are present in 1.01 1023 molecules of tetraphosphorus decaoxide? grams of oxygen days grams 1. How many GRAMS of potassium sulfate are present in 4.96 moles of this compound? moles 2. How many MOLES of potassium sulfate are present in 1.67 grams of this compound?
How many moles are in 42.76 grams of potassium nitrate. The molar mass of potassium nitrate is 101.06 grams/mole.
How many moles of Pb are in 4.71 x 104 Pb atoms? Select one: O a. 2.84 x 1045 o b. 6.022 x 1023 O c. 207.2 O d. 0.00782