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Calculate the number of titanium atoms present in $1\text{ kg}$ of titanium. State your answer in standard form.
Mathematics 0580 · IGCSE · Standard form
Standard form — practice question
A single titanium atom has a mass of $7.95 \times 10^{-23}$ grams.
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This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$1.26\times10^{25}$ (also accept $1.257\times10^{25}$ to $1.258\times10^{25}$)” …
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