How much acid can a tablet neutralize if the tablet contains 500 mg of Ca(OH)2? Rxn: Ca(OH)2 + 2HCl > CaCl2 + 2H2O Mw Ca(OH)2 = 74.080 g/mol
a.) 0.500 moles HCl
b.) 0.0135 moles HCl
c.) 0.0569 moles HCl
d.) none of the above
How much acid can a tablet neutralize if the tablet contains 500 mg of Ca(OH)2? Rxn:...
1. A particular brand of antacid contains 500 mg of CaCO3 per 2.0 g tablet according to the label. How many mol of CaCO3 are contained in one tablet? nCaCO3 = ___ mol Ans. 0.005mol 2. The reaction by which the antacid neutralizes HCl is 2 HCl(aq) + CaCO3(s) à CaCl2(aq) + CO2(g) + H2O(l) How many moles of HCl can be neutralized by one tablet? nHCl = 0.010 mol 3. 50.0 mL of 0.300 M HCl are used to...
6. How much stomach acid can a 250 mg Tums tablet neutralize? Assume that the tablet is pure CaCO3. Assume stomach acid is 0.5% HCl
For the reaction 2HCl+Ca(OH)2⟶CaCl2+2H2O how many grams of calcium hydroxide, Ca(OH)2, are needed to react completely with 31.9 g of hydrochloric acid, HCl?
If a tablet contains 215 mg of Mg(OH)2 and 567 mg of CaCO3, how many moles of HCl would theoretically be neutralized? _____mol
1- How many neutrons does copper-63 have? 2- What is the mass of 44 molecules of SO3 in g? 3- How many moles of Ca(OH)2 are required to neutralize (react completely with) 0.79 moles of HCl? The balanced reaction is: 2HCl(aq) + Ca(OH)2(aq) → 2H2O(l) + CaCl2(aq)
7) Magnesium hydroxide, Mg(OH)2, as "Milk of Magnesia" can be used to neutralize excess stomach acid, represented by HCl(ag) according to the chemical equation below. Mg(OH)2(s)+2HCI (ag)-MgCl2(ag)+ 2H20( When 5.00 g of HCl are combined with an excess of Mg(OH)2, what mass of MgCl2 can be produced? [Molar masses: H, 1.01 g/mol; O, 16.00 g/mol; Mg, 24.31 g/mol; Cl, 35.45 g/mol] A) 2.50 g E) 70.5 g D) 6.53 g C) 0.957 g B) 13.1 g 8) What is the...
2 mg .017SL nor 13. An antiacid tablet contains 31.3 g of NaHCO3. What volume (in liters) of 2.84 M stomach = acid, HCl, can this tablet neutralize?
Ca(OH)2 (aq) + 2HCl (aq) CaCl2 (aq) + H2O (l) An aqueous solution of Ca(OH)2with a concentration of 0.161 M was used to titrate 25.00 mL of aqueous HCl. 18.63 mL of the Ca(OH)2was required to reach the endpoint of the titration. An aqueous solution of Ca(OH)2with a concentration of 0.161 M was used to titrate 25.00 mL of aqueous HCl. 18.63 mL of the Ca(OH)2was required to reach the endpoint of the titration. A) How many moles of base...
For the reaction 2 HCl + Ca(OH), CaCl2 + 2H2O how many grams of calcium chloride, CaCl2, are produced from 78.3 g of hydrochloric acid, HCI? mass of calcium chloride:
how many moles of lithium nitrate are theoretically produced if we start with 34 moles of Ca(NO3)2 and 24 moles of LigPO4? Reaction: 3Ca(NO3)2 + 2Li3PO4 -- LINO3 + Caz(PO4)2 A) 1.1 B) 6.8 C) 1.2 D) 7.2 E) not enough information 28) – 28) What is the limiting reactant for the following reaction given we have 2.6 moles of HCl and 1.4 moles of Ca(OH)2? Reaction: 2HCl + Ca(OH)2 + 2H2O +CaCl2 A) Ca(OH)2 B) HCI C) CaCl2 D)...