Calculate the moles of O atoms in 0.619 g of Ca(NO3)2.
Calculate the moles of O atoms in 53.4 g of Sr(NO3)2.
Homework 8 1. Calculate the number of moles of Mg(NO3)2 in 0.432 g of Mg(NO3)2. AND calculate the number of N and O atoms in the same amount of Mg(NO3)2-
Enter your answer in the provided box. Calculate the moles of O atoms in 70.6 g of Mg(NO3)2.
21) How many Nitrogen atoms are there in 12.4 g of Ca(NO3)2?
How many moles of calcium (Ca) atoms are in 79.6 g of Ca?
What is the mass of 3.119 moles of Ca(OH)2? O 74.10 g O 4.209 x 10-2, O 23.7569 462.2 g 231.1g QUESTION 2 A 3.20-mol sample of aluminum represents how many atoms? o 1.93 x 1024 atoms 5.31 x 10-24 atoms 1.25 x 1023 atoms 5.20 x 1025 atoms QUESTION 3 49.4 g of Cr represents how many atoms? 0.950 atoms atoms 4.27 x 10-21 2.97 x 1025 atoms 5.72 x 1023 atoms
1. How many moles of Ca(NO3)2*4H2O are in 50.0 mL of 0.0906 M Ca(NO3)2*4H2O? Report your answer with 3 significant figures. Do not include units. 2. How many moles of Na3PO4*12H2O are in 50.0 mL of 0.0550 M Na3PO4*12H2O? Report your answer with 3 significant figures. Do not include units. 3. If 50.0 mL of 0.0906 M Ca(NO3)2*4H2O are reacted with 50.0 mL of 0.0550 M Na3PO4*12H2O, using the balanced chemical equation from the video, determine which is the limiting...
29. How many moles of Ca atoms are in 540.3 g Ca? a. 13.48 mol b. 7.418 x 10-2 mol C. 2.166 x 104 mol d. 26.96 mol e. 540.3 mol
How many total moles of ions are released when the following sample dissolves completely in water: 5.15x10^-3 g Ca(NO3)2
For the chemical reaction Na2CO3+Ca(NO3)2⟶CaCO3+2NaNO3Na2CO3+Ca(NO3)2⟶CaCO3+2NaNO3 how many moles of calcium carbonate (CaCO3) are produced from 2.02.0 mol of sodium carbonate (Na2CO3)?