Chemistry, 03.05.2021 14:10, nborowy9579
1. NaOH mass of a solution of 200g in which its percentage is 25%. What mass of sulfuric acid solution is needed to completely neutralize the alkali. What mass of salt will be formed?
Answers: 3
Chemistry, 22.06.2019 12:00, sophiaa23
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
Chemistry, 22.06.2019 15:30, christopherluckey7
The reactions of photosynthesis occur in the of plant cell? a. mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll
Answers: 1
1. NaOH mass of a solution of 200g in which its percentage is 25%. What mass of sulfuric acid soluti...
Mathematics, 04.02.2021 02:30