1. The formula for sulfurous acid is H2SO3. What is the name and formula of the
ID: 564624 • Letter: 1
Question
1. The formula for sulfurous acid is H2SO3. What is the name and formula of the anion in this acid?
a) Sulfite, SO32- b)Sulfite, SO3 c) Sulfate, SO32- d)Sulfate, SO3
2. On a cold, snowy day in the mountains the weather report says that the high will only be 270, but it does not mention any units! What is the most likely unit for the temperature?
a) Fahrenheit (F) b)Celcius (C) c) Kelvin (K)
3) “Sluggo” is an organic pesticide used to kill slugs and snails. The active ingredient is listed on the package insert as “iron phosphate”. What is wrong with the name of this compound?
a) It does not indicate the number of phosphate ions in the compound. b) It does not indicate the charge of the iron in the compound.
c) It does not indicate the number of cations and anions with prefixes. d) There is nothing wrong with the name.
4) A chemist makes a solution by combining 65.0 g of water with 35.0 g of silver nitrate. What is the concentration of the silver nitrate in the solution?
a) 53.8% b) 35.0% c) 65.0% d) 186%
5) Dichloroethane, a compound that is often used for dry cleaning, contains carbon, hydrogen, and chlorine. Analysis of a sample shows that it contains 24.3% C, 4.1% H, and 71.6% Cl. What is the empirical formula?
6) Complete the floowing table :
symbol
protons
neutrons
electrons
mass #
charge
O
9
2-
51
51
70
symbol
protons
neutrons
electrons
mass #
charge
O
9
2-
51
51
70
Explanation / Answer
Sulfites or sulphites are compounds that contain the sulfite ion (or the sulfate(IV) ion, from its correct systematic name), SO32. Corressponding acid is Sulfurous acid and chemical compound with the formula HSO.
Hence first option is correct.
2- the temperature is in degree Celsius unit .
For snow coldy weather = 270 ° C
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.