Calculate the number of cations and anions in each of the following compounds. Enter your answers in scientific notation.
(a) 8.16 g of KBr
(b) 4.31 g of Na2SO4
(c) 5.56 g of Ca3(PO4)2
Calculate the number of cations and anions in each of the following compounds. Enter your answers...
Calculate the number of cations and anions in each of the following compounds. Enter your answers in scientific notation. (a) 7.98 g of KBr: ______× 10___ cations ____ × 10___ anions (b) 3.31 g of Na2SO4: ______× 10__ cations _____× 10__ anions (c) 7.16 g of Ca3(PO4)2: ______× 10__ cations ______× 10__ anions
Be sure to answer all parts. Calculate the number of cations and anions in each of the following compounds. Enter your answers in scientific notation. (a) 7.73 g of KBr: x 10 cations anions (b) 4.61 g of Na,so: anions (c) 6.16 g of Ca3(PO4)2: anions
(5 pts) If calcium cations and phosphate anions are each present at 0.20 mg/L in an aqueous solution, is the solid calcium phosphate expected to precipitate? See Table 2.3, p.62: Ca3(PO4)2(s) 3Ca+2(aq) + 2PO4-3(aq); Ksp=1.0x10-27. Molar masses: Ca3(PO4)2, 310.2; Ca+2, 40.1; PO4-3, 95.0.
Calculate the number of moles in 159.3 g of each of the following compounds. mol SO2 (a) SO2 mol Na2SO4 (b) Na2SO4 mol BaSO4 (e) BaSO4 mol KAl(SO4)2 (d) KAI(SO2
Calculate the number of moles in 181.7 g of each of the following compounds. (a) SO2 mol SO2 (b) Na2SO4 mol Na2SO4 (c) BaSO4 mol BaSO4 (d) KAl(SO4)2 mol KAl(SO4)2
2. Write formula units by combining the cations and anions in each of the following pairs: (a) Sr? and As. (b) Raand O?(c) Alt and Co, (d) Cd2+ and OH
Write balanced formation equations at standard
conditions for each of the following compounds: (a) HI; (b) SiF4;
(c) O3; (d) Ca3(PO4)2.
6.52 Write balanced formation equations at standard conditions for each of the following compounds: (a) HI; (b) SiF4; (c) O3; (d) Ca3(PO4)2.
2. Complete MO diagrams for the following diatomic molecules, anions, and cations. Calculate their bond order. Classify the species as paramagnetic or diamagnetic. a. Hez b. CO (small 25-2p interaction) C. NO (small 25-2p interaction) d. 02 e. OF
Calculate the number of atoms in 202 μ g of scandium. Enter your answer in scientific notation.
2. In Sidente FeCo,, C4+ cations in the carbonate groups are surrounded by three O2. anions. a) What is the electrostatic valance of the of each C-O bond? b) How many of these bonds can each O make? c) How much charge does the O anion have left for bonding if it is bonded to one C4+*? d) The Fe2* cations in siderite are coordinated by 6 oxygen anions. What is the electrostatic valence of the Fe2+-O bonds? In siderite,...