Can y’all help me with this question

Chemistry

1 answer:

Hoochie [10]3 years ago

4 0

Answer:

owa owa

Explanation:

owa owa owa owa owa ow

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The pH of a solution is measured as 4.5. What is the hydrogen ion concentration of the solution?

Bond [772]

Answer:

[H⁺] = 3.16 × 10⁻⁵ mol/L

Explanation:

Given data:

pH of solution = 4.5

Hydrogen ion concentration = ?

Solution;

pH = -log [H⁺]

we will rearrange this formula:

[H⁺] = 10∧-pH

[H⁺] = 10⁻⁴°⁵

[H⁺] = 3.16 × 10⁻⁵ mol/L

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3 years ago

How do you solve the level of a liquid in a graduated cylinder

Nezavi [6.7K]

Don’t really understand what you’re asking but, if you’re asking how to read a graduated cylinder:

Look at the graduated cylinder at eye level, find the meniscus, whatever the meniscus is at is your answer.

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3 years ago

Which climate condition will cause the fastest chemical weathering of granite sandstone and shale

Naily [24]

Answer:

1. Tropical Climate

Explanation:

Due to the high heat in tropical climates, the moisture speeds up chemical weathering

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3 years ago

Read 2 more answers

A student dissolved 5.00 g of Co(NO3)2 in enough water to make 100. mL of stock solution. He took 4.00 mL of the stock solution

Marianna [84]

Answer:

0.136g

Explanation:

A student dissolved 5.00 g of Co(NO3)2 in enough water to make 100. mL of stock solution. He took 4.00 mL of the stock solution and then diluted it with water to give 275. mL of a final solution. How many grams of NO3- ion are there in the final solution?

$Co(NO_3)_2(aq)\rightarrow Co^{2+}(aq)+2NO_3^{-}(aq)$