Calculate the amount of water (in grams) that must be added to 15.0 g of sucrose (C12H22O11) to make a solution with a concentration of 7.50 mass %.
A mole of a newly discovered crystalline substance weighs 14.56 grams and displaces 2.3 ml of water. What is the density of the crystal? Find the atomic radius and density of each atom if it is a simple cubic cell? BCC? FCC? HCP?
CALCULATE THE MOLALITY OF A SOLUTION CONTAINING 10.8 G OF ETHYLENE GLYCOL, C2H602, IN 360 G OF WATER.
DETERMINE THE MOLARITY OF A SOLUTION CONTAINING 2.40 G OF SODIUM CHLORIDE IN 40.0 ML OF SOLUTION.
CALCULATE THE MOLE FRACTION OF EACH COMPONENT OF A SOLUTION CONTAINING 65 G OF ETHANOL IN 350 G OF WATER.
20mL of an HCl solution is required for neutralization of 10mL 0.1M Na2CO3 solution.
Calculate the strength of the HCl acid.
15mL of 0.02M Na2SO3 solution react complete with 10 mL of copper solution.
Calculate the amount of Cu2+ ion 10 mL solution and per liter of solution.
Use the balanced equation to answer the following question. One Pansit has a
mass of 5.0 grams and one Siling Labuyo has a mass of 1.0 gram. How many
Hot Pansit can be made from 40.0 grams of Pansit and 26.0 grams of Siling
Labuyo?
A PURE SAMPLE OF SODIOUM FLORIDE CONTAINS 35g of sodium. how many grams of fluorine are present in this sample.
For the reaction: C(s) + H2O(g) ֖CO(g) + H2(g), what would be the effect on the
equilibrium system if H2O increases