We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
was wondering are these answers right ? QUESTION 10 How many grams does 0.500 moles of...
no explanation needed just need answer for each box QUESTION 8 How many grams does 5.60 x 1022 molecules of SiO2 weigh? QUESTION 9 How many grams are in 8.13 x 1023 molecules of CH4? QUESTION 10 How many grams does 0.500 moles of copper (1) bromide weigh?
just trying to check if my answers are right ? if not what is the right answer QUESTION 7 How many moles are there in 2.35 x 1024 molecules of water? 3.9 moles QUESTIONS How many grams does 5.60 x 1022 molecules of SiO2 weigh? 5.58 g QUESTION 9 How many grams are in 8.13 x 1023 molecules of CH4? 21.6 gm
1. What is the mass of 1.55x1024 atoms of calcium? grams 2. How many calcium atoms are there in 33.4 grams of calcium? atoms 1. How many MOLECULES of nitrogen dioxide are present in 1.57 grams of this compound? molecules. 2. How many GRAMS of nitrogen dioxide are present in 2.77x1022 molecules of this compound? grams. 1. How many GRAMS of chromium(III) bromide are present in 2.83x1022 formula units of this compound? grams 2. How many formula units of chromium(III)...
The formula for nitrogen dioxide is NO2. a. How many molecules are in 2.14 grams of nitrogen dioxide? molecules b. What is the mass in grams of 7.10 x 10" molecules of nitrogen dioxide? grams An error has been detected in your answer. Check for typos, miscalculations etc. before submitting your answer. Submit Answer Retry Entire Group 8 more group attempts remaining
45. Refer to the following equation: 4NH3(g) + 70,() → 4NO2()+6H20() How many moles of ammonia will be required to produce 10.5 mol of water a. 4.20 mol b. 10.5 mol c. 7.00 mol d. 5.25 mol e. none of these 46. Refer to the following equation: 4NH3(Ⓡ) + 702() → 4NO2(%) +6H20(g) How many molecules of NO2 are produced when 4.16 mol of ammonia is completely reacted a. 16.64 b. 5.01 X 1024 c. 2.51 1024 d. 191 e....
1. How many grams of O are there in a sample of O that contains the same number of moles as a 55.4 gram sample of Kr? 2. How many MOLECULES of nitrogen dioxide are present in 3.28 grams of this compound 3. . How many GRAMS of nitrogen dioxide are present in 7.63×1022 molecules of this compound
Use the References to access important values if needed for this question. 1. How many ATOMS of nitrogen are present in 3.67 grams of nitrogen dioxide? atoms of nitrogen 2. How many GRAMS of oxygen are present in 1.02x102) molecules of nitrogen dioxide? grams of oxygen Submit Answer 2 question attempts remaining
Il. Mole Calculation Questions 7 & 8: Calculate the number of moles when given: 7. 35.4 g of K. 8. 259.0 g of CaCl2 9. How many grams does 2.50 moles of KNOs weigh? 10 10. What is the mass of NaF present in 3.22 moles? 11. Convert 4.320 moles of N2 to grams. 12. 12. What is the numerical value of Avogadro's number? 13. How many atoms of nitrogen are in 6.88 moles? 14. How many molecules are in...
How many molecules are there in 2.30 grams of NH3? How many moles of H? Show work.
Part 2: Mole Calculations (8 pts) 1. How many moles of sodium carbonate are there in 75 grams of K2COs? 2. How many moles of each atom are there in 5 moles of Cus(PO)2 3. How many molecules of dinitrogen tetroxide (N204) are there in 80 g of N204? 4. How many grams does one molecule of carbon dioxide (CO2) weigh? The balanced equation for production of carbon dioxide is C(s) + Oz(g) → CO2(g). How many grams of CO2are...