Answer:
The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles NaCl, or 58.44277 grams.
Explanation:
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<span>As metal carbonates react with acid, a neutralization reaction happens. Salt, water, and carbon dioxide are produced.</span><span />
The answer is A as they had to spend time growing or looking for food as food was scarce back then.
Answer: option B. 0.020 mole
Explanation:Please see attachment for explanation