7h2o = 24+32+16×4+7×(2+16) = 24 +32+64+126 =246 246g of Epsom salt contains 126g of water.•. (As a matter of interest..If you take the mol.mass of the ZnSO4∙7H2O and then divide the mol.mass of the 7H2O by the total mol. Expert Answer 1)ZnSO4.7H2O This means there are 1mol ZnSO4 and 7mol H2O The molar ratio of unhydrous salt (ZnSO4) to water is 1:7 2) percentage of water in the compound= (massof wa view the full answer Previous question Next question Get more help from Chegg The most common form includes water of crystallization as the heptahydrate, with the formula Zn SO 4 •7H 2 O. Its density is 3.31 g/cm 3, deliquescent in air.It disolves well in water. The percentage by mass of water of crystallization in hydrated MgSO4.7H2O is approximate? Information about your device and internet connection, including your IP address, Browsing and search activity while using Verizon Media websites and apps. Zincsulfateheptahydrate. 2 See answers jyoshna3 jyoshna3 Relative molecular mass of mgso4. b. (As a matter of interest..If you take the mol.mass of the ZnSO4∙7H2O and then divide the mol.mass of the 7H2O by the total mol. Moles = mass /moalr mass ie 60/287 = 0.21 moles 3) Since, in one mole of ZnSO4.7H2O there are 7 moles of water. Zincsulfateheptahydrate. Find out more about how we use your information in our Privacy Policy and Cookie Policy. ZnSO.7H O contains seven water molecule in whose molecular mass is 126 (7x18). Yahoo is part of Verizon Media. Yes! To enable Verizon Media and our partners to process your personal data select 'I agree', or select 'Manage settings' for more information and to manage your choices. ZINC SULFATE HEPTAHYDRATE. 7446-20-0. mass of Zn= 65, S=32, 0=16 and H= 1) The percentage of water of crystallization in ZnSO, {{ settings.no_comment_msg ? A) How many atoms of each kind are present? Calculations: Formula: ZnsO4.7H2O Molar Mass: 287.5396 g/mol 1g=3.47778184291833E-03 mol Percent composition (by mass): Element Count Atom Mass %(by mass) 7446-20-0. Examples of molar mass computations: NaCl, Ca(OH)2, K4[Fe(CN)6], CuSO4*5H2O, water, nitric acid, potassium permanganate, ethanol, fructose. ZnSO4.7H2O is a white hydrated crystal. ZnSO4.7H2O is a white hydrated crystal. The percentage of water of crystallization in ZnSO4.7H2O is [Zn = 65, S = 32, O = 1, H = 1] Correct Answer: Option B Explanation No official explanation is available for this question at this time. Calculations: Formula: ZnsO4.7H2O Molar Mass: 287.5396 g/mol 1g=3.47778184291833E-03 mol Percent composition (by mass): Element Count Atom Mass %(by mass) this question is asking what percentage of the total weihgt is water? A student worked with a sample of ZnSO4.7H2O. Zinc Sulfate Heptahydrate ZnSO4.7H2O Molar Mass. Molar mass of ZnSO4*7H2O is 287.5496 g/mol Convert between ZnSO4*7H2O weight and moles. To find the average mass of zinc sulfate heptahydrate (ZnSO4*7H2O) in each tablet, we first want to find the mass of each tablet. Simply adding all the atomic masses of the elements, will give the Molecular mass of the hydrate. All Names, Acronyms and Trademarks displayed on this website are those of their respective owners. Zinc sulfate is an inorganic compound.It is used as a dietary supplement to treat zinc deficiency and to prevent the condition in those at high risk. What Is The Molar Ratio Of Anhydrous Salt To Water? Examples of molar mass computations: NaCl, Ca(OH)2, K4[Fe(CN)6], CuSO4*5H2O, water, nitric acid, potassium permanganate, ethanol, fructose. first step would be to calculate the molecular weight wt: ZnSO4 = 161.4g wt: 7H2O = 126 g total = 287.4g therefore the percentage of water would be wt of 7H2O divided by total weight times 100 126/287.4*100 = 43.8% same applies for the MgSO4.5H2O ZnSO4.7H2O loses crystal water at 280 ̊C: • ZnSO4.7H2O = ZnSO4 + 7H2O (g) ZnSO4 Decomposes at 500 ̊C • ZnSO4 = ZnO + SO3 (g) ZnSO4.7H2O Usage: used in agriculture as animal feed additives, fertilizer and … ( 0.445/1.634 ) * 100 = 27.3 % by mass. B) What is the stoichiometric ratio of salt to water? We are Nigeria's No1 Students' and Educational Resource Website.
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