#3 Expert Q&A Done (4) 2. Write a based onion for the following: per - ulun...
- MgO2 MG SPO2 b. Celtis - 02 - 002 (4) 2. Write a balanced equation for the following: xo * sulfuric acid water sulfur dioxide copper (II) suita (21) 3. a. Calculate the molar mass of Cas(Posh b. Calculate the % in Cay(POsl. c. How many moles is 86.0g of Cas(PO ? d. How many grams is 2.50 x 10-3 moles of KąS? e. How many molecules is 5.30 moles of H2CO3? f. How many grams is 1.204 x...
uppropriate) - MgCl2 → _Mg3(PO4)2 + b. Cg H18 + O2 2. Write a balanced equation for the following: _KCI (4) CO2 + opper H2O + sulfuric acid water + sulfur dioxide dioxide + + copper (11) copper (II) sulfat (21) 3. a. Calculate the molar mass of Ca3(PO3)2. b. Calculate the %0 in Ca3(PO3)2. C. How many moles is 86.0g of Ca3(PO3)2? d. How many grams is 2.50 x 10-3 moles of K2S? e. How many molecules is 5.30...
1-Calculate the mass in grams of 2.55 moles of KCl 2- Calculate how many moles are in 2.00x1020 molecules of CO2 3- How many atoms of H are there in 1.00x1019 molecules of NH3
_Mg(OH)+ _HPO4 → _Mg 3(PO4)2 + __H2O In the reaction above (Mg = 24.31; O = 16.00; H = 1.01; P = 30.97) a) 3.498 x 100 g of H PO, will require how many moles of Mg(OH),? b) 3.498 x 100 g of H PO, will produce how many molecules of Mg 3(PO4)2? c) 3.498 x 106 g of H. Po, will require how many grams of H20? d) 9.876 x 1025 molecules of H.0 will need how many...
Solve the following problems. 1. Convert 9.30 moles CH, to grams. 9. 30 2. Convert 38.0 grams CaCl, to moles. 3. Convert 3.00 moles NH, to molecules. 4. Convert 2.08 x 10" formula units KCIO, to moles. DO 5. Convert 2.20 x 10” molecules of CH3COOH to grams. 6. Convert 25.3 grams of Ca (AsO4)2 to formula units. 7. How many atoms of As are present in 56 grams of Ca (Asoch 8) How many molecules are present in 139...
2) (4pts) Answer the following questions about sodium phosphate (NasPO.) How many oxygen atoms are in one molecule of sodium phosphate? many oxygen atoms do you have? If you have one dozen molecules of sodium phosphate, how many oxygen atoms do you h If you have one mole of sodium phosphate molecules, how many oxygen atoms do you have? (16 pts) Perform the following conversions: 3) a) 2.89 × 103 helium atoms into moles of helium atoms: b) 0.500 moles...
4. Balance the following equations: Al(NO)(aq) + NH.OH(aq) Al(OH),(s) + (NH) (NO) (aq) classify Fe(OH)3(s) + __H,SO.(aq) → ___ Fer(SO.)s(aq) + _ H2O(1) classify CH,CI(I) + O2(g) → - CO2(g) + H2O(g) +- HCI(9) classify Ca(s) + __P_Os() → _ Cao(s) + - P.(I) classify LI.CO() - - HCl(aq) + LICH(aq) H2O(l) + - CO2(g) classify NO2(g) → N2(g) + H2O(1) classify + N2H400) + - 5. P.(s) + O2(g) → - P.Os(s) balance, then classify Calculate the following, with...
2) A gold necklace contains 0.54 mol of gold. What is its mass in grams? 3) A helium balloon contains 0.56g of He. How many moles of He does it contain? 4) How many Na atoms in 255 g of Na3PO4? 5) Calculate the mass in grams of 6.4 x 102 NO: molecules 6) Determine the number of atoms of O in 84.0 g of CsH1005
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Expert Q&A Done 1 .) A 5% (w/v) dextrose IV fluid (D5W) contains 20 mEq K+ per liter of solution. If a patient received 420 mL of this IV solution, how many millimoles of K+ were delivered? 2.) A 25.0 mL multidisciplinar vial of a medication is available containing 500mg of a drug dissolves in normal saline. What is % (w/v) concentration of this preparation? 3.) How many grams of insulin are present in 5.0g if 0.450% (w/w)...
Chemical Quantities and Chemical Composition 1. How many atoms are in 15 moles of sodium? 2. How many moles are in 2.1 x 10^22 molecules of H2SO4? 3. How many atoms are in 7.22 moles of gold? 4. How many atoms are in 90.43 of Xenon? 5. How many grams do 1.96 x 10^24 atoms of sodium weight? 6. Calculate the molar mass of AgNO3. 7. Calculate the molar mass of Fe2O3. 8. Calculate the molar mass of CaCO3 9....