2 years ago

What is the [H+] if the pH of a solution is 1.65?

Chemistry

1 answer:

Thepotemich [5.8K]2 years ago

4 0

Answer:

So the concentration of hydrogen in solution of 1.65 pH is 2.2 × 10⁻²

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Grade 10 Science send answers plssssss

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ITS UPSIDE DOWN I CANT ANSWER IT

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Which is a dominant trait that Mendel observed in pea plants?

Arte-miy333 [17]

Answer:

Yellow seeds

Explanation:

Dominant traits are those that are inherited unchanged in a hybridization like the yellow seeds.

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2 years ago

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The end point of a titration was reached after 22 ml of 0.050 m disodium edta titrant was dispensed into a solution containing t

ale4655 [162]

The moles of disodium edta used is calculated using the below formula

moles =molarity x volume in liters

molarity=0.050m
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3 years ago

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A gas has a volume of 590 mL at temperature of -55.0 C. What volume will the gas occupy at 30.0 C show your work

DENIUS [597]

Data:
$V_{initial} = 590\:mL$
$T_{initial} = -55.0^0C$
converting to Kelvin
TK = TC + 273
TK = -55.0 + 273 → TK = 218.0 → $T_{initial} = 218.0\:K$
$V_{final} = ? (in\:milliliters)$
$T_{final} = 30.0^0C$
TK = TC + 273
TK = 30.0 + 273 → TK = 303.0 → $T_{final} = 303.0\:K$

By the first Law of Charles and Gay-Lussac, we have:
$\frac{ V_{i} }{ T_{i} } = \frac{ V_{f} }{ T_{f} }$

Solving:
$\frac{ V_{i} }{ T_{i} } = \frac{ V_{f} }{ T_{f} }$
$\frac{ 590 }{ 218.0 } = \frac{ V_{f} }{ 303.0 }$
Product of extremes equals product of means:
$218.0* V_{f} = 590*303.0$
$218.0 V_{f} = 178770$
$V_{f} = \frac{178770}{218.0}$
$\boxed{\boxed{V_{f} \approx 820.04\:mL}}\end{array}}\qquad\quad\checkmark$

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3 years ago

Chromosomes move to the middle of the cell during what phase

Alexxandr [17]

The <span>Anaphase stage

Happy studying!</span>

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3 years ago