How do You Convert Moles to Grams?
To convert moles to grams, you will need to know the molar mass of an object. Take that number and divide it by how many moles you are dealing with and you will have your number of grams.
Problem #1 - Convert 25.0 grams of KMnO4 to moles. Step One: The problem will tell you how many grams are present. Look for the unit of grams.
The number immediately preceeding it will be how many grams. Common abbreviations for grams include g (just the letter) and gm. I suppose that a problem can be worded in such a way that the number of grams comes after the unit, but that type of trickery isn't very common in high school.
The problem gives us 25.0 grams. Step Two: You need to know the molar mass of the substance. Please refer to the lessons about calculating the molecular weight and molar mass of a substance if you are not sure how to calculate a molar mass.
The molar mass of KMnO4 is 158.034 grams/mole. Please take a moment and calculate the molar mass of KMnO4, just to be sure. The answer of 0.158 mole has been rounded to three significant figures because the 25.0 value had the least number of significant figures in the problem.
When converting milliliters to grams, you first need to know the density of what you are measuring. Grams are units of mass while milliliters are units of volume. One milliliter of water weighs one gram.
The answer is 1. We assume you are converting between gram water and milliliter. The SI derived unit for volume is the cubic meter.
1 cubic meter is equal to 1000000 grams, or 1000000 milliliters. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between grams and milliliters.
Type in your own numbers in the form to convert the units! The millilitre (ml or mL, also spelled milliliter) is a metric unit of volume that is equal to one thousandth of a litre. It is a non-SI unit accepted for use with the International Systems of Units (SI).
It is easy to convert ounces to grams. One ounce has 28 grams in it. So take the number of ounces, such as 4, and multiply that by 28.
That means 4 ounces has 112 grams in it!
If the conversion is from U.S. customary ounces to grams then there are 28.3495 grams in an ounce but there are also troy ounces (for measurement of precious metals) and the result can be different as listed below. Weight units ounces to grams conversion table below has the commonly converted numbers. You may also use the converter below (javascript required) to convert any other numbers.
Ounce is a unit of mass in several measurement systems (united states customary, imperial, even customized metric system 25 grams, dutch metric system 50 grams etc). The word "ounce" is also used as a volume unit but then simply meant as "fluid ounces" where it equals to about 30 milliliters in u.s. The most commonly used ounces are the international avoirdupois and the troy ounces.
Troy ounce is used for the measurement of precious metals, gold, silver. The abbreviation is "oz".
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