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3 years ago

7

I neeeed helpp please

1 answer:

Ymorist [56]3 years ago

6 0

4= lemon juice contains CITRIC ACID and represents a pH of 2.3

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According to Le Chatelier’s principle, what happens when the concentration of reactants is doubled in a chemical reaction that w

Usimov [2.4K]

If more reactant is added, the equation will shift to the right in order to make more product (which will increase the products)

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2 years ago

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How many moles of H2SO4 are needed to completely neutralize 0.0164 mol KOH

Vanyuwa [196]

0.0082 You have to equal out the amount of concentration with the unknown

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3 years ago

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if the theoretical yield of a reaction is 26.0 grams and you actually recovered 22.0 grams what is the precent yield

netineya [11]

Percentage Yield = (Actual Yield ÷ Theoretical Yield) × 100

∴ if theoretical yield is 26 g, but only 22.0 is recovered from the reaction,
then Percentage Yield = (22 g ÷ 26 g) × 100
= 84.6 %

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3 years ago

Round each number to four significant figures

ira [324]

Answer:

a.

84,791 » 8479

b.

256.75 » 256.8

c.

431,801 » 4318

d.

0.00078100 » 0.0007810

Explanation:

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2 years ago

Which sentence describes all atoms of one element?

allsm [11]

Answer:

4. they have the same number of protons

Explanation:

while all the other particles and attributes can be changed, protons cannot.

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2 years ago