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3 years ago

What is this question in with the question tell me a funny joke cuz I'm having a bad day

Chemistry

2 answers:

NikAS [45]3 years ago

8 0

Im sorry, but I can not see the attachment... But I can try to help you cheer up! You shouldnt let anyone put you down, and certainly dont let life knock you down. Your strong, brave, and deserve happiness. Stay strong, stay brave, stay unique, stay you.

Leno4ka [110]3 years ago

6 0

<h2><u><em>Answer:</em></u></h2><h2><u><em>the one below is basically noble gas</em></u></h2><h2><u><em>For example, helium, neon, and argon are some of the individual atoms which are also known as noble gases and have very low chemical reactivity. ... Liquids are made of vibrating particles of matter that are held together by molecular bonds (e.g. atoms). The most common liquid you'll find is water</em></u></h2><h2><u><em>An element is a pure substance as well, because if we fill up a balloon with just helium gas, it will only contain helium atoms. On the periodic table of elements, helium is element number 2 , and so that should tell you that it's an element of course...</em></u></h2><h2><u><em>why didn't the skeleton cross the street?</em></u></h2><h2><em><u>"I dunno why"</u></em></h2><h2><em><u>because he didn't have the guts to do it</u></em></h2><h2><em><u>hahahah</u></em></h2><h2><em><u>mark brainliest plzs</u></em></h2>

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A student is asked to standardize a solution of potassium hydroxide. He weighs out 1.08 g potassium hydrogen phthalate (KHC8H4O4

natka813 [3]

Answer:

A. 0.143 M

B. 0.0523 M

Explanation:

Let's consider the neutralization reaction between potassium hydroxide and potassium hydrogen phthalate (KHP).

KOH + KHC₈H₄O₄ → H₂O + K₂C₈H₄O₄

The molar mass of KHP is 204.22 g/mol. The moles corresponding to 1.08 g are:

1.08 g × (1 mol/204.22 g) = 5.28 × 10⁻³ mol

The molar ratio of KOH to KHC₈H₄O₄ is 1:1. The reacting moles of KOH are 5.28 × 10⁻³ moles.

5.28 × 10⁻³ moles of KOH occupy a volume of 36.8 mL. The molarity of the KOH solution is:

M = 5.28 × 10⁻³ mol / 0.0368 L = 0.143 M

Let's consider the neutralization of potassium hydroxide and perchloric acid.

KOH + HClO₄ → KClO₄ + H₂O

When the molar ratio of acid (A) to base (B) is 1:1, we can use the following expression.

$M_{A} \times V_{A} = M_{B} \times V_{B}\\M_{A} = \frac{M_{B} \times V_{B}}{V_{A}} \\M_{A} = \frac{0.143 M \times 10.1mL}{27.6mL}\\M_{A} =0.0523 M$

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3 years ago

Which statement is true?

Elena-2011 [213]

The letter only has reflection symmetry, if you rotated it it would look the same.

4 0

3 years ago

Which of the following is included in the study of Geology?

finlep [7]

D: the composition of the materials that make up the planet

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3 years ago

Read 2 more answers

A chemist makes up a solution by dissolving 42.0 g of Mg(NO3)2 in enough water to produce a final solution volume of 259 mL. To

Igoryamba

Answer:

The molar mass of Mg(NO₃)₂, 148.3 g/mol.

Explanation:

Step 1: Given data

Mass of Mg(NO₃)₂ (solute): 42.0 g

Volume of solution: 259 mL = 0.259 L

Step 2: Calculate the moles of solute

To calculate the moles of solute, we need to know the molar mass of Mg(NO₃)₂, 148.3 g/mol.

42.0 g × 1 mol/148.3 g = 0.283 mol

Step 3: Calculate the molarity of the solution

M = moles of solute / liters of solution

M = 0.283 mol / 0.259 L

M = 1.09 M

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2 years ago

What is the mass of 1.84 mol NaCl? Give your

Sphinxa [80]

Answer:

108 g

Explanation:

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3 years ago

What is this question in with the question tell me a funny joke cuz I'm having a bad day ​

What is this question in with the question tell me a funny joke cuz I'm having a bad day