Which one of the following is an ionic compound? a. SO b. CIO2 c. Ho Which one o

Question

Which one of the following is an ionic compound? a. SO b. CIO2 c. Ho Which one of the oxoacid formulas and names is not correctly matched? a. H SO, sulfurous acid b. HCl(g) hydrochloric acid c. H.SOs sulfuric acid 22. d. Tio e. CO2 23. d. HNo, nitric acid All are correct. e. 24. The formula for a terbium phosphate compound is Tb,(PO)e What would be the formula for a terbium sul compound given that the charge of terbium is the same in both compounds? a. Tb-(SO) b. Tb(S04) e. Tb(SO) 25. How many gold (Au) atoms are there in a 1.00 kg bar of gold? (Avogadro's number 6.022 x 10) a. 3.06 x 104 b. 197 mol c. 3.06 × 1021 d. 5.08×10-3 mol e. 5.08 x 10 26. How many moles of ammonia are there in a 346 g sample of pure NH, (17.03 g/mol)? a. 0.0496 mol b. 20.3 mol d. 5,930 mol e. 3.46 mol c. 24.7 mol phosphorus pentachloride (PCl)? What is the molar mass of a. 177.25 g/mol b. 190.30 g/mol c. 208.22 g/mol 27. d. 172.75 gimol e. 202.82 g/mol a. the number of particles equal to the number of atoms in exactly 12 g of carbon-12 b. the number of particles equal to the number of atoms in exactly 16 g of oxygen-16. c. exactly 6.02 × 1022 particles. d. the number of particles equal to the number of atoms in exactly 1 g of hydrogen-1. 28. One mole is defined as e. the number of particles equal to the number of atoms in exactly I kg of carbon in a vault at the National Bureau of Standards.

Explanation / Answer

Answer 22) compound which is made of a metal and a non metal is called ionic compounds

here TiO2 is ionic

23) all the names are correctly matched option E is the right answer

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