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If 76 grams of Cr 2 O 3 and 27 grams of Al react to form 51 grams of Al 2 O 3 how many grams of Cr are formed?
To find the mass of Cr formed, we first need to calculate the initial moles of Cr2O3 and Al. Next, we determine the limiting reactant based on stoichiometry. Knowing Al is the limiting reactant, we calculate the theoretical yield of Al2O3 formed, and then find the amount of Cr formed based on the stoichiometry of the reaction.
Vanadium forms four different oxides in which the percent by mass of vanadium is respectively 76 percent 68 percent 61 percent and 56 percent what is thire formulas?
Mass V = 76 g moles V = 76/ 51 g/mol=1.5 moles O = 100 - 76/ 16= 1.5 VO Moles V = 68/51 = 1.3 Moles O = 100-68/16=2 1.3/1.3 = 1 =>V 2/1.3=1.5 =>O multiply by 2 to get whole numbers V2O3 moles V = 61/51=1.2 moles O = 100-61/16=2.4 VO2 moles V = 56/51=1.1 moles O= 100-56/16= 2.75 1.1/1.1= 1 => V 2.75/1.1= 2.5 =>O to get whole numbers multiply by 2 V2O5
How many protons are in the nucleus of an atom of osmium?
An atom of osmium has 76 protons in its nucleus.
The percentage composition of a polymer used for the non-stick surfaces of cooking utensils is 24 percent C and 76 percent F by mass Explain the steps in determining the empirical formula of the polym?
Convert the mass percentages of each element to moles by assuming a 100g sample, so you would have 24g C and 76g F. Calculate the moles of each element by dividing the given mass by the molar mass of each element (12 g/mol for C and 19 g/mol for F). Divide the moles of each element by the smallest number of moles to get a simple ratio, which in this case would be 2 moles of C to 3 moles of F. Write the empirical formula using the ratios found, which would be C2F3.
In the notation arsenic-76 the number 76 represents?
The number 76 represents the total number of protons and neutrons in the nucleus of an atom of arsenic-76, which is an isotope of the element arsenic. It helps to identify the specific isotope of arsenic based on its mass number.
How many moles in 76 grams of fluorine?
To find the number of moles in 76 grams of fluorine, you first need to determine the molar mass of fluorine, which is approximately 19 grams per mole. Then, you divide the given mass (76 grams) by the molar mass of fluorine to get the number of moles. In this case, 76 grams of fluorine is equal to approximately 4 moles.
What is the molarity of a solution using 76 g of NaCl dissolved to make 1 L?
The molecular weight of NaCl is 58.443 g/mol. 78/58.443 is 1.300412367606 moles. It is in litres so it is 1.300412367606 molar.
How many grams is 76 milligrams?
76 millilgrams = 0.076 grams
How many ounces is 76 grams?
28.3495 grams per ounce, so 76 grams equals 2.6808 ounces
How many kilo grams are there in 76 grams?
0.076 kg
How many grams are seventy-six tons?
76 tons is 69,160,000 grams.
How many grams equal 76 pounds?
76 lb = 34473 g, approximately.
How many tablespoons is 50 grams of butter?
76
How many pounds is in 76grams?
There is 0.167551 Pounds in 76 Grams.
How many moles are found in (4.58x101) E23 atoms Mg?
6,02214129.10ex.23---------------1 mol458.10ex.23---------------------------xx = 76,o5 moles Mg
How many kilograms equals 76 grams?
0.076 kg 1 kilogram = 1000 grams 1 gram = 0.001 kilogram
How many grams of oak chips should you use to flavor 5 gallons of wine?
2-4 grams per litre. Approximately 38 - 76 grams for 5 gallons.
