Answer:

Explanation:
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In this case, for the reaction between hydrochloric acid and sodium hydroxide, for 2.4 g of base, we can compute the neutralized grams of acid by applying the 1:1 molar ratio between them and their molar masses, 36.45 g/mol and 40 g/mol respectively as shown below by stoichiometry:

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A spring scale measures weight. some even use them to measure the weight of fish
If 5.60g of a gas at 2.50atm dissolves in 3.5-l of water.
this means you probably have to multiply 5.60g*2 because 2.50atm go into 5.00atm twice 5.60g(2)= 11.2