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How many atoms of oxygen are in 3.33 grams of magnesium hydroxide?
Wiki User
∙ 14y ago
first work out how many moles of Mg(OH)2 you have.
n = m /M
= 3.33 / 58 = 0.0574 mol
Then from this work out how many mol of O you have.
there are two oxygens in the formula so you have 0.0574 x 2 mol of O = 0.1148 mol
1 mol = 6.023x 1023 particles.
So 6.023 x 10 23 /1 x 0.1148 = 6.92 x 10 22
Wiki User
∙ 14y ago
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There are 3 grams of magnesium and 2 grams of oxygen if 4 grams of magnesium oxide is produced and all of the magnesium was used up how many grams of oxygen are left?
i dont know help :C
What is the theoretical yield of magnesium chloride if 50.6 grams sample of magnesium hydroxide is reacted with 45.0 grams of hydrochloric acid?
Magnesium chloride: 81,95 g are obtained.
What is the number of magnesium atoms that equal a mass of 24.31?
24.31 grams of magnesium is one mole of magnesium, so that is 6.022 X 1023 atoms of magnesium.
1.25 g of magnesium hydroxide are added to a 5.00 M solution of hydrochloric acid in a neutralization reaction that produces water and magnesium chloride How many grams of magnesium chloride are prod?
2.04 g
If 16g of oxygen contains 1 mole of oxygen atoms calculate the mass of one atom of oxygen in grams?
1
In the reaction between magnesium and oxygen the mass of magnesium and oxygen was 2.5 grams how much magnesium oxide was formed?
340 grams
How much sodium hydroxide in grams must be added to seawater to completely precipitate 86.9mg of magnesium?
how much sodium hydroxide in grams must be added to seawater to precipitate 86.9mg of magnesium present?
There are 3 grams of magnesium and 2 grams of oxygen if 4 grams of magnesium oxide is produced and all of the magnesium was used up how many grams of oxygen are left?
i dont know help :C
There are 6 grams of magnesium and 4 grams of oxygen if 8 grams of magnesium oxide is produced?
2
What is the theoretical yield of magnesium chloride if 50.6 grams sample of magnesium hydroxide is reacted with 45.0 grams of hydrochloric acid?
Magnesium chloride: 81,95 g are obtained.
What is the number of magnesium atoms that equal a mass of 24.31?
24.31 grams of magnesium is one mole of magnesium, so that is 6.022 X 1023 atoms of magnesium.
How many grams of water are needed to produce one hundred fifty grams of magnesium hydroxide?
A lot
How many oxygen atoms are there in 3.45 grams of H2O?
3,45 grams of H2O contain 1,154.10e23 oxygen atoms.
What are the molar masses of magnesium and atomic oxygen?
Mass of Oxygen is approximately 16 grams. (15.9994 grams) per mole. Mass of Magnesium is approximately 24.305 grams per mole.
How many atoms of oxygen are in 3.120 grams of oxygen gas?
3.120 grams oxygen gas (1 mole O2/32 grams)(6.022 X 1023/1 mole O2) = 5.871 X 1022 atoms of oxygen gas ------------------------------------------------
How many grams of sodium contain the same numberof atom as 15grams of magnesium?
Let us find Magnesium atoms first. 15 grams magnesium (1 mole Mg/24.31 grams)(6.022 X 10^23/1 mole Mg) = 3.72 X 10^23 atoms magnesium Now take this an drive to grams sodium 3.72 X 10^23 atoms (1 mole Na/6.022 X 10^23)(22.99 grams/1 mole Na) = 14 grams of sodium ----------------------------
1.25 g of magnesium hydroxide are added to a 5.00 M solution of hydrochloric acid in a neutralization reaction that produces water and magnesium chloride How many grams of magnesium chloride are prod?
2.04 g
