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Chemistry

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Geoffrey Huels

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Cards in this guide (7)
How would you make a 2 M solution of a compound

By dissolving 2.0 moles of the compound in water and then, after complete dissolution, fill it up to a total volume 1.0 L with water.

What are the types of forces in chemistry

Forces in chemistry are electrical forces.

What is the ratio of moles of CuSO4 to moles of NaOH

This ratio is 1:2.

If 638.44 g CuSO4 reacts with 240.0 g NaOH which is the limiting reagent

Sodium hydroxide is the limiting reagent.

What is the molarity of 2 moles of a compound dissolved in 4 l in water

0.5 M

How is an oxidation half reaction written using the reduction potential chart

Reversing the equation gives the oxidation half reaction. Doing this changes the sign on the voltage, not the magnitude.

In the reaction MgCl2 plus 2KOH and 65532 Mg(OH)2 plus 2KCl how many moles of KOH react with 1 mole of MgCl2

From the balanced equation it can be seen that it takes 2 moles KOH to react with each 1 mole of MgCl2. So, the answer is 2.

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