How any milliliter of a 1.04 M H2SO4 solution are needed to react with 98.5 g of Ca(OH)2? The balanced chemical equation for the reaction is as follows:   H2SO4 + Ca(OH)2 –> 2 H2O + CaSO4  

Salt (NaCl) and calcium chloride (CaCl2) are used widely in some areas to minimize the formation of ice on sidewalks and roads. One of these ionic compounds is better mole for mole at inhibiting ice formation. Which is best?

Identify the Bronsted-Lowry acid and base in the following chemical equation:   C3H7NH2 + H3O+ –> C3H7NH3+ + H20   C3H7NH2    H3O+ 

The three different emissions from radioactive sources have different penetrating power. Identify them from least to most penetrating.   Least  Intermediate  Most 

A dextrose solution with a mass of 2.00 x 102 grams has 15.8 grams of dextrose dissolved in it. What is the mass/mass percent concentration?

What volume of a 12.75% m/v solution of glucose (C6H12O6) in water is needed to obtain 50.0 grams of C6H12O6?  

Some brands of aspirin have 81 mg of aspirin in each tablet. If a person takes 8 tablets per day, how many grams of aspirin is that person consuming every day?  

Name 3 diatomic molecules.

The current disintegration rate for carbon-14 is 14.0 Bq. A sample of burnt wood discovered in an archaeological excavation is found to have a carbon-14 decay rate of 3.5 Bq. If the half-life of carbon-14 is 5,700 years, approximately how old is the wood sample?

Express each number in scientific notation:   67,000    123.34    0.000369