How do I find the Mass (g) of water lost during heating? And find moles of water lost? Experiment data: Mass of Beaker: 52.7655 g Mass of Beaker and Epsom Salt: 54.5231 g Mass of Beaker After Heating: 53.6865 g Mass of Resiue Remaing in Beaker: 0.921g

Q: nd contains 12.4g of hydrogen. What is the percent by mass of hydrogen in the compound?

A: Given A 37.1 g sample of an unknown compound contains 12.4g of hydrogen. What is the percent by mass…

Q: Freya weighs an empty crucible and finds it to have a mass of 95.83 g (including the lid). After…

A: 1. Mass of the hydrate to start with = Mass of beaker with hydrate - Mass of empty beaker = 95.83 g…

Q: While cleaning your attic, you found your old rock collection. If 83.58% of the rocks have a mass of…

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Q: . While cleaning your attic, you found your old rock collection. If 83.58% of the rocks have a mass…

A: well, it is given that, the weight of percent of rock. hence we can calculate the average weight of…

Q: Copper(II) sulfate forms a bright blue hydrate with the formula CuSO4⋅?H2O(s) . If this hydrate is…

A: Molar mass of Cu is 63.55 g/mol Molar mass of S is 32.07 g/mol Molar mass of O is 16 g/mol Molar…

Q: 4. Which is not a physical change? a. Melting of candle      c. breaking a glass b. Digestion of…

A: We will answer the first question since the exact one wasn't specified. Please submit a new question…

Q: A hydrogen-filled balloon is ignited and 1.50 g of hydrogen is reacted with 12.0 g of oxygen. How…

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: A sample of sodium reacts completely with 0.213 kg of chlorine, forming 351 g of sodium chloride.…

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Q: Compound A has a density of 4.5 g/cm3. Suppose you plan to mix 197 g Element A (18.9 g/cm3) with…

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Q: An automobile gasoline tank holds 21 kg of gasoline. When the gasoline burns, 86 kg of oxygen is…

A: The reaction that depicts the burning of gasoline is as follows,

Q: A 45.6 g sample of zinc sulphide was found to contain 30.6 g of zinc. Find the masses of zinc and…

A: Solution- A 45.6 g sample of zinc sulphide was found to contain 30.6 g of zinc; 1 g sample of zinc…

Q: udent. GElk Grove Unified - My Profile - Zoom V Results of the chec. My Citation list 9/2. O Pearson…

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Q: If you have 100 particles of hydrogen and 100 particlesof oxygen, how many units of water can you…

A: Limiting reagent It is the reagent that is completely consumed in a reaction. It determine the…

Q: Part B IF 12.0 g of MgSO, 7H O is thoroughly heated, what mass of anhydrous magnesium sulfate will…

A: Given : Mass of MgSO4.7H2O = 12g

Q: How many grams of CCl4 will contain 36.00 g of carbon? express your answer in decimal notation.

A: Mole of carbon tetrachloride is equal to mole of carbon

Q: formuia for tre feilcwing mcle cules Suppiy the missag what ere likeiy digit. Choose 1 FA tle…

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Q: In a reaction, 34.0g of chromium(III) oxide reacts with 12.1g of aluminum to produce chromium and…

A: 34.0g of chromium(III) oxide 12.1g of aluminum Both of these react to produce 23.3g of chromium and…

Q: 3. Is object E or object F more dense? [Assume the particles are uniformly distributed throughout…

A: Density of a substance is defined as the ratio of mass and volume. Density = Mass / Volume

Q: 99g of molybdenum-95 (isotopic mass = 94.91 amu Please enter your response to the appropriat number…

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Q: t mass

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Q: A chemist is trying to identify an unknown metal, and finds that 25.0 cm³ of the substance has a…

A: Given: Volume of the metal, V=25 cm3 Mass of the metal, m=224.43 g Temperature, T=20°C

Q: 6.35 x10 to the 22nd power molecules of H2SO4 then how many grams of H

A: Number of mole and number of particles are related to each other as follows:Where, NA is avogadro’s…

Q: While cleaning your attic, you found your old rock collection. If 83.58% of the rocks have a mass of…

A:

Q: petermine the % mass of sulfur, S at 910 ppm. Computation and Explanation:

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: In a reaction, 34.0 g of chromium(III) oxide reacts with 12.1 g of aluminum to producechromium and…

A: Given data, The balanced chemical equation is given below, The mass of chromium(III) oxide = 34.0 g…

Q: How to calculate the percent by mass of water in unknown?

A: Percent by mass is calculated by using the formula,

Q: 1. A student measured a 6.790 g sample of a hydrated salt. After heating, the mass of anhydrous salt…

A: a. Given that weight of hydrated salt is 6.790 g and mass of anhydrous salt is found to be 4.501 g.…

Q: A 10.00-g sample of a compound containing sulfur and fluorine contains 2.195 g of S.  What is the…

A: First the percent mass of F present in 10 g of sample is calculated as shown below,

Q: trections: Answer the following question(s). 25 4AI + 302-2 Al¿O3 This is a reaction and the…

A: We have given that  21.Which of the following correctly names the phases of matter based on the…

Q: A 12.5g sample of a hydrate of calcium chloride is found to contain 3.06 g of water. what is the…

A: We have to predict the formula for Calcium hydrate.

Q: Hot water mass 2. Total water mass

A: Given that, Volume of hot water at 40°C V1 = 100 mL Density of water at 40°C  = 0.9932 g/mL Final…

Q: Neutron stars form when large stars collapse. They are very dense, having an average density of…

A: The density of neutron star is 4.8×1017 Kg/m3.  Unit conversion 1 m3 = 109 mm3  so, the density of…

Q: 52.96 % 0679 Submit Previous Answers Correct Part D Calculate the percent C20 in K3[Al(C2O4)3]-3H20…

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Q: A compound of copper and sulfur contains 88.39g of metal and 44.61g of nonmetal. How many grams of…

A: In order to calculate mass of copper in the new compound, first, we need to calculate the ratio of…

Q: mass of matter (in grams)

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Q: The density of MgO is 3.6 g/cm3. The atomic masses of magnesium and oxygen are 24.31 g, and 16 g,…

A: Given that Density of MgO = 3.6 g/cm3 Molecular weight of MgO = (1* 24.31) + (1 *16) = 40.31 g/mol

Q: A solid cube of aluminum (density 2.70 g/cc) has a volume of 0.200 cc. It is known that 27.0g of…

A: Given,  The density of aluminum = 2.70 g/ cc The number of atoms present in volume 0.200 cc. of a…

Q: 1. A 25g of Gold is found. Compute for the number of molecules and atoms present in the substance.

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Q: Data: year year of Pennies # of pennies weighed Totall mass (9) Average mass 2000 2000 50 24519649…

A: Here is your answer...... Graph was plotted in Excel.

Q: esSED THIS? at Section 1Pos MO Wah • Part B Cansde the evaporion of methand 50'C COR U-COH Express…

A: Concept:  For a general reaction A(l) === B(g) The equilibrium constant Kp is given by  Kp = PB And…

Q: Part A Reacting a 9.0 g sample of carbon and sultur with oxygen forms 19.3 g of CO, and SO,…

A: Given: Mass of sample = 9.0 g. And mass of CO2 and SO2 formed = 19.3 g.

Q: A 7.57 g sample of calcium carbonate completely decomposes into calcium oxide (lime) and carbon…

A: A chemical reaction is a symbolic representation of the conversion of substances to new substances.…

Q: About 0.50g of zinc metal was weighed out in a tared weighing cup using a top-loading balance. The…

A: The readability of top-loading balances is about 0.001g. Hence they are also called precision…

Q: ns öf mercury, how many grams of oxygen m

A: Since mercury(II) oxide breaks into mercury and oxygen, the balanced chemical equation according to…

Q: Perform the following mathematical function. 51.11 + (0.97/2.414 × 0.32150 × e.-3.25) + 1.52444 3.4…

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Q: Some students burned magnesium in excess oxygen, as described by the equation 2 Mg(s) + O2(g) --> 2…

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Q: CO 5 hway Hydrate Exp x lab 10 empirical formu X C Lab 11 - Atomic Finger X G periodic table-Google…

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Q: Steam at a temperature of 134 °C is vented into an aluminum cup of mass 218 grams containing 600…

A: Given, Initial temperature of steam= 134°C Final temperature = 20°C Iniatial temperature of…

Q: Mass = 1kg, Speed = 2m/s. KE = ?

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".