How many grams equal a mg?
There are 1000 mg in a gram. So, 0.001 grams = 1 mg.
If there is 0.8 g of codiene in 150 ml of syrup how many milligrams are in one teaspoon of the syrup?
There's some conversions you have to do. first how many grams equals a milligram (that's half your answer) 1. converting 0.8g to milligrams 2. then how many teaspoons are in a milliliter? 3. theres one additional calculations and you have your answer. ( think, about it and take your time) Check the back of a composition notebook.
How many mg (milligrams) are in 0.8 g?
There are 1000 mg in 1 g. So in 0.8 g there are 1000 x 0.8 = 800 mg
How many milligrams is in 2 teaspoons?
You can't find the weight in a teaspoon unless you know what the substance in it is. However, you can find the volume of substance in a teaspoon. 1 teaspoon, universally, is 5ml. Hence 2 teaspoons holds 10ml.
How many grams of MGO are produced from 10 grams of Mg and 10 grams of O2?
Start with the balanced equation of Mg, O2 and MgO, now you have a relation between mole Mg and mole O2.Then calculate mole Mg by dividing mass by molar mass, do the same for O2.From the equation you can conclude that you need twice as much Mg than O2.Mg will run out first, so we have to calculate with mole Mg, from here you vsn calculate mole MgO amd mass in gram
Which is bigger? milligrams, grams, or killograms?
Kilograms are the biggest then grams then milligrams
How many grams of MgO are produced from 10grams Mg and 6 grams O2?
Your first task is to determine which is the limiting reagent. For that, you’ll need a balanced chemical equation:[math]2\text{Mg} + \text{O}_2 /rightarrow 2\text{MgO}[/math]And you’ll need to know the molar masses of magnesium and oxygen:Mg = 24.31 g/molO2 = 32.00 g/mol[math]10\text{ g Mg} \times \left(\dfrac{1 \text{ mol Mg}}{24.31 \text{ g Mg}}\right) \times \left(\dfrac{2 \text{ mol MgO}}{2 \text{ mol Mg}}\right) = 0.411 \text{ mol MgO}[/math][math]6\text{ g O}_2 \times \left(\dfrac{1 \text{ mol O}_2}{32.00 \text{ g O}_2}\right) \times \left(\dfrac{2 \text{ mol MgO}}{1 \text{ mol O}_2}\right) = 0.375 \text{ mol MgO}[/math]10 grams of magnesium produces more magnesium oxide than 6 grams of oxygen produces; therefore, oxygen is the limiting reagent. Now just convert 0.375 mol MgO (the amount produced by 6 grams of oxygen) to grams of MgO and you’ve got your answer!MgO = 40.31 g/mol[math]0.375 \text{ mol MgO} \times \left(\dfrac{40.31 \text{ g MgO}}{1 \text{ mol MgO}}\right) = 15.1 \text{ g MgO}[/math]I leave it to you to figure out the appropriate number of significant figures.
How much is 2.5 ml in mg?
You need to know the density of the material.Formulas:1) Volume = Weight / Density2) Weight = Volume * DensityExample:2.5 ml of water = 2500 mg2.5 ml of milk = 2570 mgSource of information and the simple converter - Convert mg to ml (milligram to milliliter)Table of densities of all materials - Table of Density