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c. How many phosphate ions are in a sample of hydroxyapatite that contains 5.50x10-3 grams of...
if a given water sample contains 10 parts per million phosphate, how many grams of phosphate would a liter (1,000 g) contain
a 9.17g sample of co3(po4)2 contains how many ions Consider the compound cobalt(11) phosphate, Co3(PO4)2. A 9.17 g sample of Co3(PO4)2 contains how many ions? 6.01x1023 1.50x1024 O 7.96 1022 6.02x1024 Moving to another question will save this response.
A. How many grams of nickel metal will be deposited from a solution that contains Ni2+ions if a current of 1.21 A is applied for 48.0minutes. B. How many grams of nickel metal will be deposited from a solution that contains Ni2+ions if a current of 0.664 A is applied for 38.0minutes. ______Grams C. How many grams of cobalt metal will be deposited from a solution that contains Co2+ions if a current of 0.809 A is applied for 67.8minutes. ___________grams
33) How many moles of sodium carbonate are in a sample of pure sodium carbonate that contains 14.33 grams of sodium ions?
How many grams of chromium metal will be deposited from a solution that contains Cr^3+ ions if a current of 1.01 A is applied for 40.2 minutes. Answer in______________ grams? How many grams of cobalt metal will be deposited from a solution that contains Co^2+ ions if a current of 0.517 A is applied for 40.5 minutes. Answer in_____________ grams? How many grams of cobalt metal will be deposited from a solution that contains Co^2+ ions if a current of...
1) How many grams of Na are there in a sample of Na that contains 9.68×1023atoms? 2) How many GRAMS of potassium bromide are present in 1.85 moles of this compound ? 3) . How many MOLES of potassium bromide are present in 3.00 grams of this compound ? 4) How many GRAMS of silicon are present in 3.73 moles of silicon dioxide ? 5) How many MOLES of oxygen are present in 4.59 grams of silicon dioxide ?
(3) 3. How many grams of oxygen are present in a sample containing 5.75 x 1021 formula units of manganese (II) phosphate ? (6) 4. Determine the percent composition (by mass) for each element in ammonium dichromate, (NH4)2Cr207.
(3) 3. How many grams of oxygen are present in a sample containing 5.75 x 1021 formula units of manganese (II) phosphate ? (6) 4. Determine the percent composition (by mass) for each element in ammonium dichromate, (NH4)2Cr2O7.
How many grams of tin metal will be deposited from a solution that contains Sn2+ ions if a current of 0.740 A is applied for 27.5 minutes. grams Submit Answer Retry Entire Group 9 more group attempts remaining How many grams of copper metal will be deposited from a solution that contains Cu2+ ions if a current of 0.999 A is applied for 27.8 minutes. grams Submit Answer Retry Entire Group 9 more group attempts remaining
How many grams of nitrogen monoxide must be weighed out to get a sample of nitrogen monoxide that contains 18.4 g of oxygen? g nitrogen monoxide An experiment requires that enough CH1206 be used to yield 17.8 g of oxygen. How much C H1206 must be weighed out? g If a sample of dinitrogen tetrafluoride contains 11.6 g of fluorine, how many grams of nitrogen does it contain? g nitrogen How many grams of nitrogen monoxide must be weighed out...