how many atoms of each element are in the following compounds? Simply type the number of elements that are in the compound in the blank.
Mg3(PO4)2
Mg__
P__
O__
Cu(NO2)2
Cu__
N__
O__
how many atoms of each element are in the following compounds? Simply type the number of...
4.56 How many atoms (or ions) of each element are in 140.0 g of the following substances? (a) BaSO4 (c) 02 (b) Mg3(PO4)2 (d) KBr
How many chiral carbon atoms exist in the following compound? (Fill in a number) How many possible stereoisomers are there of dextrose, an organic compound found in Lactaid and also in blood-sugar in hospital IVs? (Fill in a number) Is the letter "J" chiral or achiral? Achiral Chiral How many chiral carbon atoms exist in 5-chloro-1-pentanol? (Fill in a number) How many chiral carbon atoms exist in 3-chloro-2-pentanol? (Fill in a number) How many possible stereoisomers are there of 2-propanol?...
Q31. How many hydrogen atoms are represented in each formula? a. Al(C2H3O2)3: b. NH4OH: c. CH3CH2CH2OH: d. C6H5CH2CH3: e. Fe(C2H3O2)3: Q32. Write the name and number of atoms of each element in the following compounds: a. (NH4)3PO4: b. KMnO4: c. CH3CH2CH2COOH: d. Fe2O3: e. K2CO3: f. Cu3(PO4)2: g. Na2Cr2O7: h. 10 formula units of Ca(H2PO4)2:
Concept check: element, compound formula, atoms, isotopes 1. Fill in the blank: Element symbol Name S AI P Fluorine Carbon Boron Bromine Cr Fe 2. Recognizing compound: Compound How many of each atom in one compound Elements in the compound HO 2 H, 10 H2O C.H.O. NaOH Caco CH,COOH NO. MealPO) Ba(NO)
19) How many of each type of atom are there in the formula Ca3(PO4)2? A) Ca = 3, P = 1,0 = 4 B) Ca 3, P = 2, O = 4 C) Ca = 3, P = 2,0=8 D) Ca = 3, P = 1,0 = 8 E) none of the above le Ol be 20) What is the correct formula of a compound that has ten oxygen atoms and four phosphorus atoms? A) O10P4 B) 100P4 C) 4P010...
How many atoms of each element are represented in each of the following expressions? A) 4 (CH3)2 S I think this one is 8 Carbon, 24 Hydrogen and 4 Sulfurs B) 2 CuSO4 • 5H2O - Im lost on this one
8. For each of the following molecular formulas, determine how many atoms of each element are present. a. Cr(OH)3 h. Ag2SO4 b. H2C204 i. HgCl2 C. S2Cl2 j. KCIO d. (NH4)2S k. Ca3(PO4)2 e. CuBr2 1. NH4ClO3 f. LINO3 m. Mg(MnO4)2 g. PFS n. Cr2(CO3)3 9. For each of the structural formulas, write the molecular formula. o=c=0 H-C-CE 6 H-cực-H H ه I-U- - H ه f. I H CICI -0 1 II Cl-Si-si-ci 0-0-I ن I -S-O-H O-H 0--0-H...
How many atoms or ions of each element are in 151.1 g of the following substances? (a) H2 x 1025 H atoms (b) Ca(NO3)2 * 1023 Ca2+ ions x 1024 NO3 ions (C) N202 x 1024 N atoms * 1024 O atoms (d) K2SO4 * 1024 K+ ions * 1023 s042-ions
A sample is found to contain 0.500 mole of a chemical substance. a. How many atoms are present if the substance is the element Cu? 6-7 b. How many atoms are present if the substance is the element Na? c.How many molecules are present if the substance is the compound CO;? d.How many molecules are present if the substance is the compound SiF?
3. Using the number of grams of each element calculated in Problem #4, and the following molar masses, calculate the number of moles of each of the three elements. Show your work. Mg 24.305 g/mole S 32.066 g/mole 16.000 g/mole What is the mole: mole: mole ratio of Mg:S:0? 70 4. An unknown compound is found to contain only magnesium, sulfur and oxyben. m. sulfur and oxygen. If it contains -3.3% magnesium and 30.7% sulfur, what would be the percentage...