Chemistry, 09.09.2019 20:30 alyxxboothe
Achemistry student must write down in her lab notebook the concentration of a solution of sodium hydroxide. the concentration of a solution equals the mass of what's dissolved divided by the total volume of the solution. here's how the student prepared the solution: the label on the graduated cylinder says: empty weight: she put some solid sodium hydroxide into the graduated cylinder and weighed it. with the sodium hydroxide added, the cylinder weighed . she added water to the graduated cylinder and dissolved the sodium hydroxide completely. then she read the total volume of the solution from the markings on the graduated cylinder. the total volume of the solution was . what concentration should the student write down in her lab notebook? be sure your answer has the correct number of significant digits.
Answers: 3
Chemistry, 21.06.2019 20:30
After cloud droplets form, what must happen to them for precipitation to occur?
Answers: 1
Chemistry, 22.06.2019 00:00
Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what
Answers: 3
Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
Achemistry student must write down in her lab notebook the concentration of a solution of sodium hyd...
English, 03.04.2020 23:56
Biology, 03.04.2020 23:57
Biology, 03.04.2020 23:57
Mathematics, 03.04.2020 23:57
Mathematics, 03.04.2020 23:57
Mathematics, 03.04.2020 23:57
Mathematics, 03.04.2020 23:57
Spanish, 03.04.2020 23:57
Mathematics, 03.04.2020 23:57
Mathematics, 03.04.2020 23:57