Answer: B,C,D
Explanation: Who ever reads this have a great day and stay safe :}
Answer:
1.82
Explanation:
pH is given by the equation
Answer:
897 mL
Explanation:
This is a problem of dilution. According to the dilution principle, the number of mole before dilution must be equal to the number of mole after dilution. Mathematically:
Molarity x volume (before dilution) = molarity x volume (after dilution)
Before dilution:
Molarity = 0.174 mol/L
Volume = ?
After dilution:
Molarity = 160 mM = 160/1000 = 0.160 M
Volume = 975 mL
Substitute into the dilution equation:
0.174 x volume of sodium carbonate stock = 0.160 x 975
Volume of stock = 0.160 x 975/0.174
= 896.552
To 3 significant digits = 897 mL
The chemist will pour out 897 mL stock solution of sodium carbonate.
Food web shows the cycle of energy that is transferred from one organism to another in that web.
<u>Explanation:</u>
A food web (or nourishment cycle) is the natural interconnection of natural pecking orders and a graphical portrayal (generally a picture) of what-eats-what in an environmental network. Another name for nourishment web is customer asset framework.
Arrows on a food web, or food web, speak to the progression of vitality. The situation of the bolts in an evolved way of life or nourishment web is significant. The bolts consistently show the heading of the vitality as it is moved starting with one life form then onto the next. The progression of vitality can likewise be spoken to inside a vitality pyramid.