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Zarrin [17]
3 years ago
12

Please help *chemistry*

Chemistry
1 answer:
Daniel [21]3 years ago
8 0
3 because I just did it
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This characteristic of hydrogen and oxygen make the water molecule polar: ______.
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Answer:

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3 years ago
How do you convert from grabs to moles of a substance
Lorico [155]

The correct question is as follows:

How do you convert from grams to moles of a substance

1. Divide by the molar mass

2. Subtract the molar mass

3. Add the molar mass

4. Multiple by the molar mass

Answer: In order to convert from grams to moles of a substance divide by the molar mass.

Explanation:

The number of moles of a substance is the mass of substance in grams divided by its molar mass.

The formula to calculate moles is as follows.

Moles = \frac{mass}{molar mass}

This means that grams are converted to moles when grams is divided by molar mass.

Thus, we can conclude that in order to convert from grams to moles of a substance divide by the molar mass.

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How many moles of nitrogen are contained in 18.65 L at STP?
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1 mole of any gas under STP  ----- 22.4 L

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If we wish to prepare 250. mL of 0.200 M BaCl2 solution, how much solid BaCl2 is needed?
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