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malfutka [58]
3 years ago
14

Pls tell me it’s a test-

Chemistry
2 answers:
Nina [5.8K]3 years ago
4 0

Answer:

It dissolves

Explanation:

Slav-nsk [51]3 years ago
3 0

Answer:

<em>4. It dissolves </em>

<u>google told me so</u>

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A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4
ddd [48]

Answer:

178.35g

Explanation:

Molarity of a solution can be calculated using the formula:

Molarity = number of moles ÷ volume

Based on the information provided in this question, molarity (M) of the solution = 1.50 M, volume = 725 mL = 725/1000 = 0.725L, n = ?

1.50 = n / 0.725

n = 1.50 × 0.725

n = 1.0875mol

Molar mass of Na3PO4

23(3) + 31 + 16(4)

= 69 + 31 + 64

= 164g/mol

Mole = mass ÷ molar mass

1.0875 = mass/164

mass = 178.35g

5 0
3 years ago
Why would the volume of one object calculated using “Measurement and Calculation” differ from the volume of the same object calc
Mars2501 [29]

Answer:

Measuring the Volume of Solids

Rectangular prism - Multiply the measurement of the length times the width, then times the height.

Cube - Since all sides are the same measurement, it would be the measurement of any side, or edge, cubed, or a³

Explanation:

8 0
3 years ago
Read 2 more answers
What is the molar mass of KOH?
Julli [10]
<h3>Answer:</h3>

56.11 g/mol

<h3>General Formulas and Concepts:</h3>

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Chemistry</u>

<u>Atomic Structure</u>

  • Reading a Periodic Table
<h3>Explanation:</h3>

<u>Step 1: Define</u>

[Compound] KOH

<u>Step 2: Identify</u>

[PT] Molar Mass of K - 39.10 g/mol

[PT] Molar Mass of O - 16.00 g/mol

[PT] Molar Mass of H - 1.01 g/mol

<u>Step 3: Find</u>

39.10 + 16.00 + 1.01 = 56.11 g/mol

5 0
3 years ago
True or False: Increasing the amplitude<br> changes the wavelength.
dem82 [27]

Answer:

False

Explanation:

Amplitude does not affect wavelength

5 0
2 years ago
In a normal cellular protein, where would you expect to find a hydrophobic amino acid like valine?
Irina-Kira [14]
In a branched chain of amino acids
5 0
3 years ago
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