Sky high the day of tips sunny weak to overcome, morning and evening around this time you feel the arrival sulfur dioxide of fall full-fledged day you feel the air dignified increases. It is a season school events such as sports day many, but careful enough physical condition or injury, I want to spend the energy to your child. Well, continue to last, and how will overcome the unit your child many stumble this time, I tell you about. Aqueous sulfur dioxide solution this time. Problem of neutralization to be learned in the upper grades is a child unit that often especially weak. Let's consider the following problem. aqueous sodium hydroxide solution 50g of darkness that [Problem] In some, it will add a thin hydrochloric acid, was tabulated sulfur dioxide the weight of solids remaining when evaporating the water of the aqueous solution after that. Weight of hydrochloric acid to react in just proportion and this aqueous solution of sodium hydroxide 50g What is g. Your child is weak child, understanding has not progressed the problem of neutralizing calculation [point of this issue] will notice that when I look at this table, the weight of the solid is not increased from 2.4g. I hope that far, but it is where it's wrong here, and an apt answer is a weight of hydrochloric acid in the beaker of E, "40g". When we observe the changes in the weight of the solid well, changes in the weight of the solid when added 40g and when you make a hydrochloric acid only 30g, is the 0.2g. The way it is possible to observe a small place that you have these, it is just important. Weight of hydrochloric acid to react in just proportion and this aqueous solution of sodium hydroxide 50g is the fact that 35g. Anyone sulfur dioxide is possible sulfur dioxide problems stumbling once, but also stumbled once, in order to avoid the stumbling same then, if an opportunity to put the habit of observing the changes in the numbers well, your child will come to be able to support You. Because it is a typical problem, a problem you should have a lot of text to cram many. To let solved by yourself something questions similar problems, I am good I'll have to put confidence. Empty autumnal!
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