A 0.3749 g soda ash sample is analyzed by titrating sodium carbonate with the standard 0.2388M HCl solution, requiring 49.38ml. The reaction is:
CO32- + 2H+ → H2O +CO2
Calculate the percent sodium carbonate in the sample
Determine the concentration of a solution that contains 0.818 grams of Na3PO4 dissolved in 428.0 mL of water in molarity, molality, mole fraction.
Ammonia NH3 gas and oxygen O2 gas react to form nitrogen N2 gas and water H2O vapor. Suppose you have 7.0 mol of NH3 and 9.0 mol of O2 in a reactor. Calculate the largest amount of N2 that could be produced. Round your answer to the nearest 0.1 mol.
A certain strain of bacteria triples every 30
minutes. If a culture dish starts with 20
bacteria cells, how many will there be after
6 hours?
y = ab^x
The quantity 45.20 g of sucrose is dissolved in 316.0 g of water. Calculate (a) boiling point and(b) freezing point of the solution
1. You overhear someone comment that a lot of "cat cracking "takes places in oil refineries, Should you call the Society for the Prevention of Cruelty to Animals?
2HCl + Ba(OH) 2 --> BaCl 2 + 2H 2O
If you have 80.0 grams of HCl and 50.0 grams of Ba(OH) 2, how many grams of
BaCl 2 can you make?
2HCl + Ba(OH) 2 --> BaCl 2 + 2H 2O
If you have 50.0 grams of Ba(OH) 2, how many grams of BaCl 2 can you make?
2HCl + Ba(OH) 2 --> BaCl 2 + 2H 2O
If you have 80.0 grams of HCl how many grams of BaCl 2 can you make?
How many grams of NH
3
NH3 can be produced from 13.4 g
g of H
2
H2?