A chemist measures the mass of an unknown substance. The mass is 2.53 g. Which statement best describes the chemist measurement
a : it’s is a qualitative inference
b : it is a quantitative inference
c : it is a qualitative observation
d : it is quantitative observation
Answers: 2
Chemistry, 22.06.2019 06:30
The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide
Answers: 3
Chemistry, 23.06.2019 09:00
Chortling is used to clean water. another possible atom that would also work is a. sodium b. sulfur c. bromine
Answers: 1
Chemistry, 23.06.2019 10:30
When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3 2 kilopascals, what is the partial pressure of the hydrogen?
Answers: 1
A chemist measures the mass of an unknown substance. The mass is 2.53 g. Which statement best descri...
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