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2 years ago

9

How do you solve this?

2 answers:

konstantin123 [22]2 years ago

4 0

Answer:

145

Step-by-step explanation:

180-137=43

43+102=145

Anarel [89]2 years ago

3 0

Answer The answer is 145 because, as you see you need a 180 degree angle, so you have 137 and you need to make those two angles 180 so 180-137=43 so then you got 43+102 so that's 145 then you have that other angle so that'll be 35, so the ? mark will be 145 since that 180-35

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

The given molar concentration are:[Missing from the question]

Oven Cleaner: [h+] = $10^{-13}$

Water: [h+] = $0.0000007$

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Required

Determine the pH

pH is calculated using:

$pH = -\log(h+)$

So, we have:

Oven Cleaner:

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Using a calculator, we have:

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Using a calculator, we have:

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Using a calculator, we have:

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