Chemistry, 10.05.2021 16:40, Tweektweak
1. By the additions of water, 75.0 mL of 6.0 M H2SO4 is diluted to 150.0 mL. What is the concentration of H2SO4 after dilution?
A
1.5M
B
3.0M
C
4.8M
D
6.0M
2. Which of the following is an acid-base neutralization reaction?
A
Mg + 2 HCl → MgCl2 + H2
B
SiCl4 → Si + 2 Cl2
C
AgNO3 + KCl → AgCl + KNO3
D
HCl + KOH → KCl + H2O
3. How many grams of HCl are present in 0.70 L of a 0.33 M HCl solution?
A
0.47 g
B
0.54 g
C
2.1 g
D
8.4 g
Answers: 2
Chemistry, 22.06.2019 17:30, shookiegriffin
I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!
Answers: 1
Chemistry, 22.06.2019 18:50, cj31150631
Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.
Answers: 1
1. By the additions of water, 75.0 mL of 6.0 M H2SO4 is diluted to 150.0 mL. What is the concentrati...
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