How many grams of hydrogen have been consumed
Hydrogen gas is produced when zinc reacts with sulfuric acid: If 162 of wet is collected over water at 24 and a barometric pressure of 739 , how many grams of hydrogen have been consumed? (The vapor pressure of water is 22.38 .)
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Calculate the pH of a solution prepared by mixing 250. mL of 0.174 m aqueous HF (density = 1.10 g/mL) with 38.7 g of an aqueous solution that is 1.50% NaOH by mass (density = 1.02 g/mL).
How many moles of oxygen are combined with 4.20 moles of chlorine atoms in C2O7?
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A voltmeter is used to measure a known voltage of 100 V. Twelve percent of the readings are within 0.5 V of the true value. Estimate the standard deviation for the meter. What is the probability of an error of 1.75 V? Step by step explana
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Jacob couldn't find the 6 M H2SO4, so instead substituted the 6 M HNO3 that was available. what change was most likely observed as a result of this decision?
Determine the gram-formula mass of the product of this reaction. Include proper units.
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