1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
saveliy_v [14]
2 years ago
8

system of equations You and your friend are making 30 liters of sodium water. You have liters of 10% sodium and your friend has

liters of 22% sodium. How many of your liters and how many of your friend's liters should you mix to make 30 liters of 15% sodium
Chemistry
1 answer:
vovikov84 [41]2 years ago
7 0

Answer:

X liters of 10% + (30 - x) liters of 22% = 30...

You might be interested in
How many atoms are in each compound ?
noname [10]
Compounds are made of two or more atoms of different elements, such as water (H2O) and methane (CH4). Atoms are not drawn to scale. Molecules of compounds have atoms of two or more different elements.
7 0
3 years ago
6) Which of the following does not fall in the biotic component of the ecosystem?
zlopas [31]

Answer:

6.grass

7.xylem

8.oval

9. poor growth of bones and teetn

4 0
2 years ago
Indicate which of the following criteria are important for the selection of a buffer to use in an in vitro biochemical reaction.
JulsSmile [24]

Answer:

The correct answer is: d. The pKa of the chosen buffer should be close to the optimal pH for the biochemical reaction.

Explanation:

The buffer resist or maintain the change in pH in case of Acid or basic addition to the solution. The buffer capacity should be within one or two pH units when compared to the optimal pH.

Thus it is important to select a buffer with pKa close to the optimum pH of the reaction because the ability for the buffer to maintain the pH is is great at the pH close to pKa.

7 0
3 years ago
1. How many protons does 14/6 C contain? What element is this?
Harman [31]

Answer:

It has 6 protons and its Carbon 14

Explanation:

3 0
3 years ago
Please help me with this question<br> Thank you!
Elza [17]

Answer:

B. 3+

Explanation:

When Fe²⁺ loses an electron, it becomes an Fe³⁺ ion.

   The loss of an electron in an atom makes the atom becomes positively charged. Further losing electrons makes the atom more positive.

 For the given ion;

 Fe²⁺   if it loses an electron more, it becomes Fe³⁺.

The expression is given as:

         Fe²⁺    →    Fe³⁺  +  e⁻

8 0
3 years ago
Other questions:
  • Farmers spray pesticides to protect fruits from pests. What is a possible harmful effect of using pesticides
    12·2 answers
  • What is the coefficient of the acid that produces AlCl3 in the reaction mixing Al(OH)3 and HCl after the equation has been balan
    15·1 answer
  • Initial temperature of metal =
    6·2 answers
  • When heated, KClO3 decomposes into KCl and O2. If this reaction produced 88.4 g of KCl, how much O2 was produced (in grams)? 2KC
    7·1 answer
  • Who plays adopt me on rob.lox
    13·2 answers
  • Consider the following reaction: 4Fe + 302 → 2Fe2O3. What mass of iron(III) oxide would
    10·1 answer
  • What type of shape do solids have?
    7·1 answer
  • Which of the following elements is a metalloid​
    10·1 answer
  • Why does a doctor check your lymph nodes when you are sick?
    8·1 answer
  • Name the phase change in each of these events: (c) Wet clothes dry on a summer day
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!